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Created May 22, 2018 16:27
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log.txt
09:10:48: Running steps for project untitled2...
compiling main.cpp
/usr/bin/g++ -g -O0 -Wall -Wextra -m64 -pipe -fexceptions -fvisibility=default -fPIC -DQT_DEPRECATED_WARNINGS -DQT_CORE_LIB -I/home/howardchen/Qt/5.10.1/gcc_64/include -I/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore -I/home/howardchen/Qt/5.10.1/gcc_64/mkspecs/linux-g++ -I/home/howardchen/Learning/qt/build-untitled2-Desktop_Qt_5_10_1_GCC_64bit-Debug/qtc_Desktop_Qt_5_10_1_GCC_64bit_Debug/untitled2.57dd9e61/qt.headers -std=c++11 -o /home/howardchen/Learning/qt/build-untitled2-Desktop_Qt_5_10_1_GCC_64bit-Debug/qtc_Desktop_Qt_5_10_1_GCC_64bit_Debug/untitled2.57dd9e61/3a52ce780950d4d9/main.cpp.o -c /home/howardchen/Learning/qt/untitled2/main.cpp
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:212:21: error: redefinition of ‘class QString’
class Q_CORE_EXPORT QString
^~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: previous definition of ‘class QString’
class QString
^~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QString QStringView::toString() const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:910:64: error: no matching function for call to ‘QString::QString(QStringView::const_pointer, int)’
{ return Q_ASSERT(size() == length()), QString(data(), length()); }
^
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:99:21: note: candidate: QString::QString(const QByteArray&)
inline explicit QString(const QByteArray &s) Q_DECL_NOTHROW : m_size(int(qstrnlen(s.constData(), s.size()))), m_data(s.constData()) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:99:21: note: candidate expects 1 argument, 2 provided
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:98:38: note: candidate: constexpr QString::QString(const char*, int)
Q_DECL_CONSTEXPR inline explicit QString(const char *s, int sz) Q_DECL_NOTHROW : m_size(sz), m_data(s) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:98:38: note: no known conversion for argument 1 from ‘QStringView::const_pointer {aka const QChar*}’ to ‘const char*’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:96:31: note: candidate: constexpr QString::QString(const char*, const char*)
Q_DECL_CONSTEXPR explicit QString(const char *f, const char *l)
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:96:31: note: no known conversion for argument 1 from ‘QStringView::const_pointer {aka const QChar*}’ to ‘const char*’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:95:38: note: candidate: constexpr QString::QString(const char*)
Q_DECL_CONSTEXPR inline explicit QString(const char *s) Q_DECL_NOTHROW : m_size(s ? int(strlen(s)) : 0), m_data(s) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:95:38: note: candidate expects 1 argument, 2 provided
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:94:29: note: candidate: constexpr QString::QString()
Q_DECL_CONSTEXPR inline QString() Q_DECL_NOTHROW : m_size(0), m_data(Q_NULLPTR) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:94:29: note: candidate expects 0 arguments, 2 provided
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: candidate: constexpr QString::QString(const QString&)
class QString
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: candidate expects 1 argument, 2 provided
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: candidate: constexpr QString::QString(QString&&)
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: candidate expects 1 argument, 2 provided
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:915:8: error: prototype for ‘QString::QString(QString)’ does not match any in class ‘QString’
inline QString::QString(QString aLatin1) : d(fromLatin1_helper(aLatin1.latin1(), aLatin1.size()))
^~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: error: candidates are: constexpr QString::QString(QString&&)
class QString
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: error: constexpr QString::QString(const QString&)
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:99:21: error: QString::QString(const QByteArray&)
inline explicit QString(const QByteArray &s) Q_DECL_NOTHROW : m_size(int(qstrnlen(s.constData(), s.size()))), m_data(s.constData()) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:98:38: error: constexpr QString::QString(const char*, int)
Q_DECL_CONSTEXPR inline explicit QString(const char *s, int sz) Q_DECL_NOTHROW : m_size(sz), m_data(s) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:96:31: error: constexpr QString::QString(const char*, const char*)
Q_DECL_CONSTEXPR explicit QString(const char *f, const char *l)
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:95:38: error: constexpr QString::QString(const char*)
Q_DECL_CONSTEXPR inline explicit QString(const char *s) Q_DECL_NOTHROW : m_size(s ? int(strlen(s)) : 0), m_data(s) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:94:29: error: constexpr QString::QString()
Q_DECL_CONSTEXPR inline QString() Q_DECL_NOTHROW : m_size(0), m_data(Q_NULLPTR) {}
^~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:917:30: error: no ‘int QString::length() const’ member function declared in class ‘QString’
inline int QString::length() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:919:20: error: prototype for ‘const QChar QString::at(int) const’ does not match any in class ‘QString’
inline const QChar QString::at(int i) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:108:34: error: candidate is: constexpr QLatin1Char QString::at(int) const
Q_DECL_CONSTEXPR QLatin1Char at(int i) const
^~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:921:20: error: prototype for ‘const QChar QString::operator[](int) const’ does not match any in class ‘QString’
inline const QChar QString::operator[](int i) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:110:34: error: candidate is: constexpr QLatin1Char QString::operator[](int) const
Q_DECL_CONSTEXPR QLatin1Char operator[](int i) const { return at(i); }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:923:20: error: prototype for ‘const QChar QString::operator[](uint) const’ does not match any in class ‘QString’
inline const QChar QString::operator[](uint i) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:110:34: error: candidate is: constexpr QLatin1Char QString::operator[](int) const
Q_DECL_CONSTEXPR QLatin1Char operator[](int i) const { return at(i); }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:925:13: error: redefinition of ‘bool QString::isEmpty() const’
inline bool QString::isEmpty() const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:106:27: note: ‘constexpr bool QString::isEmpty() const’ previously defined here
Q_DECL_CONSTEXPR bool isEmpty() const Q_DECL_NOTHROW { return !size(); }
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:927:40: error: no ‘const QChar* QString::unicode() const’ member function declared in class ‘QString’
inline const QChar *QString::unicode() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:929:21: error: prototype for ‘const QChar* QString::data() const’ does not match any in class ‘QString’
inline const QChar *QString::data() const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:103:34: error: candidate is: constexpr const char* QString::data() const
Q_DECL_CONSTEXPR const char *data() const Q_DECL_NOTHROW { return m_data; }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:931:15: error: prototype for ‘QChar* QString::data()’ does not match any in class ‘QString’
inline QChar *QString::data()
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:103:34: error: candidate is: constexpr const char* QString::data() const
Q_DECL_CONSTEXPR const char *data() const Q_DECL_NOTHROW { return m_data; }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:933:42: error: no ‘const QChar* QString::constData() const’ member function declared in class ‘QString’
inline const QChar *QString::constData() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:935:29: error: no ‘void QString::detach()’ member function declared in class ‘QString’
inline void QString::detach()
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:937:35: error: no ‘bool QString::isDetached() const’ member function declared in class ‘QString’
inline bool QString::isDetached() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:939:28: error: no ‘void QString::clear()’ member function declared in class ‘QString’
inline void QString::clear()
^
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qglobal.h:99:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:43,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcompilerdetection.h:1152:26: error: definition of implicitly-declared ‘constexpr QString::QString(const QString&)’
# define Q_DECL_NOEXCEPT noexcept
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcompilerdetection.h:1162:25: note: in expansion of macro ‘Q_DECL_NOEXCEPT’
# define Q_DECL_NOTHROW Q_DECL_NOEXCEPT
^~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:941:47: note: in expansion of macro ‘Q_DECL_NOTHROW’
inline QString::QString(const QString &other) Q_DECL_NOTHROW : d(other.d)
^~~~~~~~~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:943:32: error: no ‘int QString::capacity() const’ member function declared in class ‘QString’
inline int QString::capacity() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:945:50: error: no ‘QString& QString::setNum(short int, int)’ member function declared in class ‘QString’
inline QString &QString::setNum(short n, int base)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:947:51: error: no ‘QString& QString::setNum(ushort, int)’ member function declared in class ‘QString’
inline QString &QString::setNum(ushort n, int base)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:949:48: error: no ‘QString& QString::setNum(int, int)’ member function declared in class ‘QString’
inline QString &QString::setNum(int n, int base)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:951:49: error: no ‘QString& QString::setNum(uint, int)’ member function declared in class ‘QString’
inline QString &QString::setNum(uint n, int base)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:953:49: error: no ‘QString& QString::setNum(long int, int)’ member function declared in class ‘QString’
inline QString &QString::setNum(long n, int base)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:955:50: error: no ‘QString& QString::setNum(ulong, int)’ member function declared in class ‘QString’
inline QString &QString::setNum(ulong n, int base)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:957:58: error: no ‘QString& QString::setNum(float, char, int)’ member function declared in class ‘QString’
inline QString &QString::setNum(float n, char f, int prec)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:959:78: error: no ‘QString QString::arg(int, int, int, QChar) const’ member function declared in class ‘QString’
inline QString QString::arg(int a, int fieldWidth, int base, QChar fillChar) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:961:79: error: no ‘QString QString::arg(uint, int, int, QChar) const’ member function declared in class ‘QString’
inline QString QString::arg(uint a, int fieldWidth, int base, QChar fillChar) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:963:79: error: no ‘QString QString::arg(long int, int, int, QChar) const’ member function declared in class ‘QString’
inline QString QString::arg(long a, int fieldWidth, int base, QChar fillChar) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:965:80: error: no ‘QString QString::arg(ulong, int, int, QChar) const’ member function declared in class ‘QString’
inline QString QString::arg(ulong a, int fieldWidth, int base, QChar fillChar) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:967:80: error: no ‘QString QString::arg(short int, int, int, QChar) const’ member function declared in class ‘QString’
inline QString QString::arg(short a, int fieldWidth, int base, QChar fillChar) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:969:81: error: no ‘QString QString::arg(ushort, int, int, QChar) const’ member function declared in class ‘QString’
inline QString QString::arg(ushort a, int fieldWidth, int base, QChar fillChar) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:971:67: error: no ‘QString QString::arg(const QString&, const QString&) const’ member function declared in class ‘QString’
inline QString QString::arg(const QString &a1, const QString &a2) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:973:86: error: no ‘QString QString::arg(const QString&, const QString&, const QString&) const’ member function declared in class ‘QString’
inline QString QString::arg(const QString &a1, const QString &a2, const QString &a3) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:976:48: error: no ‘QString QString::arg(const QString&, const QString&, const QString&, const QString&) const’ member function declared in class ‘QString’
const QString &a4) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:979:67: error: no ‘QString QString::arg(const QString&, const QString&, const QString&, const QString&, const QString&) const’ member function declared in class ‘QString’
const QString &a4, const QString &a5) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:982:86: error: no ‘QString QString::arg(const QString&, const QString&, const QString&, const QString&, const QString&, const QString&) const’ member function declared in class ‘QString’
const QString &a4, const QString &a5, const QString &a6) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:986:48: error: no ‘QString QString::arg(const QString&, const QString&, const QString&, const QString&, const QString&, const QString&, const QString&) const’ member function declared in class ‘QString’
const QString &a7) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:990:67: error: no ‘QString QString::arg(const QString&, const QString&, const QString&, const QString&, const QString&, const QString&, const QString&, const QString&) const’ member function declared in class ‘QString’
const QString &a7, const QString &a8) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:994:86: error: no ‘QString QString::arg(const QString&, const QString&, const QString&, const QString&, const QString&, const QString&, const QString&, const QString&, const QString&) const’ member function declared in class ‘QString’
const QString &a7, const QString &a8, const QString &a9) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:997:67: error: ‘SectionFlags’ has not been declared
inline QString QString::section(QChar asep, int astart, int aend, SectionFlags aflags) const
^~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:997:88: error: no ‘QString QString::section(QChar, int, int, int) const’ member function declared in class ‘QString’
inline QString QString::section(QChar asep, int astart, int aend, SectionFlags aflags) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1004:50: error: no ‘int QString::toWCharArray(wchar_t*) const’ member function declared in class ‘QString’
inline int QString::toWCharArray(wchar_t *array) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1016:71: error: no ‘QString QString::fromWCharArray(const wchar_t*, int)’ member function declared in class ‘QString’
inline QString QString::fromWCharArray(const wchar_t *string, int size)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QCharRef::operator QChar() const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1035:20: error: ‘class QString’ has no member named ‘d’
{ return i < s.d->size ? s.d->data()[i] : 0; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1035:32: error: ‘class QString’ has no member named ‘d’
{ return i < s.d->size ? s.d->data()[i] : 0; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QCharRef& QCharRef::operator=(QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1037:18: error: ‘class QString’ has no member named ‘d’
{ if (i >= s.d->size) s.resize(i + 1, QLatin1Char(' ')); else s.detach();
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1037:29: error: ‘class QString’ has no member named ‘resize’; did you mean ‘size’?
{ if (i >= s.d->size) s.resize(i + 1, QLatin1Char(' ')); else s.detach();
^~~~~~
size
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1037:69: error: ‘class QString’ has no member named ‘detach’; did you mean ‘data’?
{ if (i >= s.d->size) s.resize(i + 1, QLatin1Char(' ')); else s.detach();
^~~~~~
data
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1038:9: error: ‘class QString’ has no member named ‘d’
s.d->data()[i] = c.unicode(); return *this; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘ushort& QCharRef::unicode()’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1109:44: error: request for member ‘unicode’ in ‘*((&((QCharRef*)this)->QCharRef::s)->QString::data() + ((sizetype)((QCharRef*)this)->QCharRef::i))’, which is of non-class type ‘const char’
ushort& unicode() { return s.data()[i].unicode(); }
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1118:8: error: redefinition of ‘QString::QString()’
inline QString::QString() Q_DECL_NOTHROW : d(Data::sharedNull()) {}
^~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:94:29: note: ‘constexpr QString::QString()’ previously defined here
Q_DECL_CONSTEXPR inline QString() Q_DECL_NOTHROW : m_size(0), m_data(Q_NULLPTR) {}
^~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1119:26: error: definition of implicitly-declared ‘QString::~QString()’
inline QString::~QString() { if (!d->ref.deref()) Data::deallocate(d); }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1121:39: error: no ‘void QString::reserve(int)’ member function declared in class ‘QString’
inline void QString::reserve(int asize)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1132:30: error: no ‘void QString::squeeze()’ member function declared in class ‘QString’
inline void QString::squeeze()
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1144:66: error: no ‘QString& QString::setUtf16(const ushort*, int)’ member function declared in class ‘QString’
inline QString &QString::setUtf16(const ushort *autf16, int asize)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1146:17: error: prototype for ‘QCharRef QString::operator[](int)’ does not match any in class ‘QString’
inline QCharRef QString::operator[](int i)
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:110:34: error: candidate is: constexpr QLatin1Char QString::operator[](int) const
Q_DECL_CONSTEXPR QLatin1Char operator[](int i) const { return at(i); }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1148:17: error: prototype for ‘QCharRef QString::operator[](uint)’ does not match any in class ‘QString’
inline QCharRef QString::operator[](uint i)
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:110:34: error: candidate is: constexpr QLatin1Char QString::operator[](int) const
Q_DECL_CONSTEXPR QLatin1Char operator[](int i) const { return at(i); }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1150:17: error: prototype for ‘QCharRef QString::front()’ does not match any in class ‘QString’
inline QCharRef QString::front() { return operator[](0); }
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:112:52: error: candidate is: constexpr QLatin1Char QString::front() const
Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QLatin1Char front() const { return at(0); }
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1151:17: error: prototype for ‘QCharRef QString::back()’ does not match any in class ‘QString’
inline QCharRef QString::back() { return operator[](size() - 1); }
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:113:52: error: candidate is: constexpr QLatin1Char QString::back() const
Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QLatin1Char back() const { return at(size() - 1); }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1152:26: error: prototype for ‘QString::value_type* QString::begin()’ does not match any in class ‘QString’
inline QString::iterator QString::begin()
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:141:37: error: candidate is: constexpr QString::value_type* QString::begin() const
Q_DECL_CONSTEXPR const_iterator begin() const Q_DECL_NOTHROW { return data(); }
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1154:32: error: redefinition of ‘QString::value_type* QString::begin() const’
inline QString::const_iterator QString::begin() const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:141:37: note: ‘constexpr QString::value_type* QString::begin() const’ previously defined here
Q_DECL_CONSTEXPR const_iterator begin() const Q_DECL_NOTHROW { return data(); }
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1156:32: error: redefinition of ‘QString::value_type* QString::cbegin() const’
inline QString::const_iterator QString::cbegin() const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:142:37: note: ‘constexpr QString::value_type* QString::cbegin() const’ previously defined here
Q_DECL_CONSTEXPR const_iterator cbegin() const Q_DECL_NOTHROW { return data(); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1158:54: error: no ‘QString::value_type* QString::constBegin() const’ member function declared in class ‘QString’
inline QString::const_iterator QString::constBegin() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1160:26: error: prototype for ‘QString::value_type* QString::end()’ does not match any in class ‘QString’
inline QString::iterator QString::end()
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:143:37: error: candidate is: constexpr QString::value_type* QString::end() const
Q_DECL_CONSTEXPR const_iterator end() const Q_DECL_NOTHROW { return data() + size(); }
^~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1162:32: error: redefinition of ‘QString::value_type* QString::end() const’
inline QString::const_iterator QString::end() const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:143:37: note: ‘constexpr QString::value_type* QString::end() const’ previously defined here
Q_DECL_CONSTEXPR const_iterator end() const Q_DECL_NOTHROW { return data() + size(); }
^~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1164:32: error: redefinition of ‘QString::value_type* QString::cend() const’
inline QString::const_iterator QString::cend() const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:144:37: note: ‘constexpr QString::value_type* QString::cend() const’ previously defined here
Q_DECL_CONSTEXPR const_iterator cend() const Q_DECL_NOTHROW { return data() + size(); }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1166:52: error: no ‘QString::value_type* QString::constEnd() const’ member function declared in class ‘QString’
inline QString::const_iterator QString::constEnd() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1168:73: error: no ‘bool QString::contains(const QString&, Qt::CaseSensitivity) const’ member function declared in class ‘QString’
inline bool QString::contains(const QString &s, Qt::CaseSensitivity cs) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1170:76: error: no ‘bool QString::contains(const QStringRef&, Qt::CaseSensitivity) const’ member function declared in class ‘QString’
inline bool QString::contains(const QStringRef &s, Qt::CaseSensitivity cs) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1172:66: error: no ‘bool QString::contains(QString, Qt::CaseSensitivity) const’ member function declared in class ‘QString’
inline bool QString::contains(QString s, Qt::CaseSensitivity cs) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1174:64: error: no ‘bool QString::contains(QChar, Qt::CaseSensitivity) const’ member function declared in class ‘QString’
inline bool QString::contains(QChar c, Qt::CaseSensitivity cs) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1178:33: error: declaration of ‘operator==’ as non-function
inline bool operator==(QString::Null, QString::Null) { return true; }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1178:33: error: ‘Null’ is not a member of ‘QString’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1178:48: error: ‘Null’ is not a member of ‘QString’
inline bool operator==(QString::Null, QString::Null) { return true; }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1180:33: error: declaration of ‘operator==’ as non-function
inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1180:33: error: ‘Null’ is not a member of ‘QString’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1180:39: error: expected primary-expression before ‘const’
inline bool operator==(QString::Null, const QString &s) { return s.isNull(); }
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1182:51: error: ‘QString::Null’ has not been declared
inline bool operator==(const QString &s, QString::Null) { return s.isNull(); }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1183:33: error: declaration of ‘operator!=’ as non-function
inline bool operator!=(QString::Null, QString::Null) { return false; }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1183:33: error: ‘Null’ is not a member of ‘QString’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1183:48: error: ‘Null’ is not a member of ‘QString’
inline bool operator!=(QString::Null, QString::Null) { return false; }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1185:33: error: declaration of ‘operator!=’ as non-function
inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1185:33: error: ‘Null’ is not a member of ‘QString’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1185:39: error: expected primary-expression before ‘const’
inline bool operator!=(QString::Null, const QString &s) { return !s.isNull(); }
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1187:51: error: ‘QString::Null’ has not been declared
inline bool operator!=(const QString &s, QString::Null) { return !s.isNull(); }
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator==(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1208:12: error: ambiguous overload for ‘operator==’ (operand types are ‘const QString’ and ‘const QString’)
{ return s == *this; }
~~^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1207:13: note: candidate: bool QString::operator==(const QString&) const
inline bool QString::operator==(const QString &s) const Q_DECL_NOTHROW
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1190:13: note: candidate: bool operator==(QString, QString)
inline bool operator==(QString s1, QString s2) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator!=(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1210:12: error: ambiguous overload for ‘operator!=’ (operand types are ‘const QString’ and ‘const QString’)
{ return s != *this; }
~~^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1209:13: note: candidate: bool QString::operator!=(const QString&) const
inline bool QString::operator!=(const QString &s) const Q_DECL_NOTHROW
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1192:13: note: candidate: bool operator!=(QString, QString)
inline bool operator!=(QString s1, QString s2) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator>(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1212:12: error: ambiguous overload for ‘operator<’ (operand types are ‘const QString’ and ‘const QString’)
{ return s < *this; }
~~^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:175:17: note: candidate: bool QString::operator<(const QString&) const
inline bool operator<(const QString &s) const Q_DECL_NOTHROW;
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1194:13: note: candidate: bool operator<(QString, QString)
inline bool operator<(QString s1, QString s2) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator<(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1214:12: error: ambiguous overload for ‘operator>’ (operand types are ‘const QString’ and ‘const QString’)
{ return s > *this; }
~~^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1211:13: note: candidate: bool QString::operator>(const QString&) const
inline bool QString::operator>(const QString &s) const Q_DECL_NOTHROW
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1200:13: note: candidate: bool operator>(QString, QString)
inline bool operator>(QString s1, QString s2) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator>=(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1216:12: error: ambiguous overload for ‘operator<=’ (operand types are ‘const QString’ and ‘const QString’)
{ return s <= *this; }
~~^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:177:17: note: candidate: bool QString::operator<=(const QString&) const
inline bool operator<=(const QString &s) const Q_DECL_NOTHROW;
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1202:13: note: candidate: bool operator<=(QString, QString)
inline bool operator<=(QString s1, QString s2) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator<=(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1218:12: error: ambiguous overload for ‘operator>=’ (operand types are ‘const QString’ and ‘const QString’)
{ return s >= *this; }
~~^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1215:13: note: candidate: bool QString::operator>=(const QString&) const
inline bool QString::operator>=(const QString &s) const Q_DECL_NOTHROW
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1204:13: note: candidate: bool operator>=(QString, QString)
inline bool operator>=(QString s1, QString s2) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator==(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1222:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) == 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1222:34: error: ‘constData’ was not declared in this scope
{ return QString::compare_helper(constData(), size(), s, -1) == 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1222:34: note: suggested alternative: ‘constexpr’
{ return QString::compare_helper(constData(), size(), s, -1) == 0; }
^~~~~~~~~
constexpr
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator!=(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1224:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) != 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1224:34: error: ‘constData’ was not declared in this scope
{ return QString::compare_helper(constData(), size(), s, -1) != 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1224:34: note: suggested alternative: ‘constexpr’
{ return QString::compare_helper(constData(), size(), s, -1) != 0; }
^~~~~~~~~
constexpr
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator<(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1226:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) < 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1226:34: error: ‘constData’ was not declared in this scope
{ return QString::compare_helper(constData(), size(), s, -1) < 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1226:34: note: suggested alternative: ‘constexpr’
{ return QString::compare_helper(constData(), size(), s, -1) < 0; }
^~~~~~~~~
constexpr
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator>(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1228:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) > 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1228:34: error: ‘constData’ was not declared in this scope
{ return QString::compare_helper(constData(), size(), s, -1) > 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1228:34: note: suggested alternative: ‘constexpr’
{ return QString::compare_helper(constData(), size(), s, -1) > 0; }
^~~~~~~~~
constexpr
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator<=(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1230:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) <= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1230:34: error: ‘constData’ was not declared in this scope
{ return QString::compare_helper(constData(), size(), s, -1) <= 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1230:34: note: suggested alternative: ‘constexpr’
{ return QString::compare_helper(constData(), size(), s, -1) <= 0; }
^~~~~~~~~
constexpr
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator>=(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1232:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) >= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1232:34: error: ‘constData’ was not declared in this scope
{ return QString::compare_helper(constData(), size(), s, -1) >= 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1232:34: note: suggested alternative: ‘constexpr’
{ return QString::compare_helper(constData(), size(), s, -1) >= 0; }
^~~~~~~~~
constexpr
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator==(const char*, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1235:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) == 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1235:37: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) == 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator!=(const char*, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1237:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) != 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1237:37: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) != 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(const char*, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1239:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) > 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1239:37: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) > 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(const char*, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1241:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) < 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1241:37: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) < 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<=(const char*, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1243:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) >= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1243:37: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) >= 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>=(const char*, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1245:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) <= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1245:37: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) <= 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator==(const char*, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1248:19: error: ‘fromUtf8’ is not a member of ‘QString’
{ return QString::fromUtf8(s1) == s2; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator!=(const char*, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1250:19: error: ‘fromUtf8’ is not a member of ‘QString’
{ return QString::fromUtf8(s1) != s2; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(const char*, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1252:20: error: ‘fromUtf8’ is not a member of ‘QString’
{ return (QString::fromUtf8(s1) < s2); }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(const char*, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1254:20: error: ‘fromUtf8’ is not a member of ‘QString’
{ return (QString::fromUtf8(s1) > s2); }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<=(const char*, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1256:20: error: ‘fromUtf8’ is not a member of ‘QString’
{ return (QString::fromUtf8(s1) <= s2); }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>=(const char*, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1258:20: error: ‘fromUtf8’ is not a member of ‘QString’
{ return (QString::fromUtf8(s1) >= s2); }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1260:32: error: redefinition of ‘bool QString::operator==(const char*) const’
inline QT_ASCII_CAST_WARN bool QString::operator==(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1221:13: note: ‘bool QString::operator==(const char*) const’ previously defined here
inline bool QString::operator==(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1262:32: error: redefinition of ‘bool QString::operator!=(const char*) const’
inline QT_ASCII_CAST_WARN bool QString::operator!=(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1223:13: note: ‘bool QString::operator!=(const char*) const’ previously defined here
inline bool QString::operator!=(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1264:32: error: redefinition of ‘bool QString::operator<(const char*) const’
inline QT_ASCII_CAST_WARN bool QString::operator<(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1225:13: note: ‘bool QString::operator<(const char*) const’ previously defined here
inline bool QString::operator<(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1266:32: error: redefinition of ‘bool QString::operator>(const char*) const’
inline QT_ASCII_CAST_WARN bool QString::operator>(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1227:13: note: ‘bool QString::operator>(const char*) const’ previously defined here
inline bool QString::operator>(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1268:32: error: redefinition of ‘bool QString::operator<=(const char*) const’
inline QT_ASCII_CAST_WARN bool QString::operator<=(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1229:13: note: ‘bool QString::operator<=(const char*) const’ previously defined here
inline bool QString::operator<=(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1270:32: error: redefinition of ‘bool QString::operator>=(const char*) const’
inline QT_ASCII_CAST_WARN bool QString::operator>=(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1231:13: note: ‘bool QString::operator>=(const char*) const’ previously defined here
inline bool QString::operator>=(const char *s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator==(const QByteArray&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1274:19: error: ‘fromUtf8’ is not a member of ‘QString’
{ return QString::fromUtf8(s) == *this; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator!=(const QByteArray&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1276:19: error: ‘fromUtf8’ is not a member of ‘QString’
{ return QString::fromUtf8(s) != *this; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator<(const QByteArray&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1278:19: error: ‘fromUtf8’ is not a member of ‘QString’
{ return QString::fromUtf8(s) > *this; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator>(const QByteArray&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1280:19: error: ‘fromUtf8’ is not a member of ‘QString’
{ return QString::fromUtf8(s) < *this; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator<=(const QByteArray&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1282:19: error: ‘fromUtf8’ is not a member of ‘QString’
{ return QString::fromUtf8(s) >= *this; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QString::operator>=(const QByteArray&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1284:19: error: ‘fromUtf8’ is not a member of ‘QString’
{ return QString::fromUtf8(s) <= *this; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1286:32: error: redefinition of ‘bool QString::operator==(const QByteArray&) const’
inline QT_ASCII_CAST_WARN bool QString::operator==(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1273:32: note: ‘bool QString::operator==(const QByteArray&) const’ previously defined here
inline QT_ASCII_CAST_WARN bool QString::operator==(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1288:32: error: redefinition of ‘bool QString::operator!=(const QByteArray&) const’
inline QT_ASCII_CAST_WARN bool QString::operator!=(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1275:32: note: ‘bool QString::operator!=(const QByteArray&) const’ previously defined here
inline QT_ASCII_CAST_WARN bool QString::operator!=(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1290:32: error: redefinition of ‘bool QString::operator<(const QByteArray&) const’
inline QT_ASCII_CAST_WARN bool QString::operator<(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1277:32: note: ‘bool QString::operator<(const QByteArray&) const’ previously defined here
inline QT_ASCII_CAST_WARN bool QString::operator<(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1292:32: error: redefinition of ‘bool QString::operator>(const QByteArray&) const’
inline QT_ASCII_CAST_WARN bool QString::operator>(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1279:32: note: ‘bool QString::operator>(const QByteArray&) const’ previously defined here
inline QT_ASCII_CAST_WARN bool QString::operator>(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1294:32: error: redefinition of ‘bool QString::operator<=(const QByteArray&) const’
inline QT_ASCII_CAST_WARN bool QString::operator<=(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1281:32: note: ‘bool QString::operator<=(const QByteArray&) const’ previously defined here
inline QT_ASCII_CAST_WARN bool QString::operator<=(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1296:32: error: redefinition of ‘bool QString::operator>=(const QByteArray&) const’
inline QT_ASCII_CAST_WARN bool QString::operator>=(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1283:32: note: ‘bool QString::operator>=(const QByteArray&) const’ previously defined here
inline QT_ASCII_CAST_WARN bool QString::operator>=(const QByteArray &s) const
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QByteArray::operator==(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1300:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) == 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1300:36: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) == 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QByteArray::operator!=(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1302:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) != 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1302:36: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s.constData(), s.size(), constData(), qstrnlen(constData(), size())) != 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QByteArray::operator<(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1304:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) > 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1304:36: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) > 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QByteArray::operator>(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1306:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) < 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1306:36: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) < 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QByteArray::operator<=(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1308:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) >= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1308:36: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) >= 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QByteArray::operator>=(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1310:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) <= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1310:36: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) <= 0; }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QByteArray& QByteArray::append(const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1315:19: error: ‘const class QString’ has no member named ‘toUtf8’
{ return append(s.toUtf8()); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QByteArray& QByteArray::insert(int, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1317:22: error: ‘const class QString’ has no member named ‘toUtf8’
{ return insert(i, s.toUtf8()); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QByteArray& QByteArray::replace(char, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1319:27: error: ‘const class QString’ has no member named ‘toUtf8’
{ return replace(c, after.toUtf8()); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QByteArray& QByteArray::replace(const QString&, const char*)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1321:25: error: ‘const class QString’ has no member named ‘toUtf8’
{ return replace(before.toUtf8(), after); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QByteArray& QByteArray::replace(const QString&, const QByteArray&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1323:25: error: ‘const class QString’ has no member named ‘toUtf8’
{ return replace(before.toUtf8(), after); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘QByteArray& QByteArray::operator+=(const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1325:23: error: ‘const class QString’ has no member named ‘toUtf8’
{ return operator+=(s.toUtf8()); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘int QByteArray::indexOf(const QString&, int) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1327:20: error: ‘const class QString’ has no member named ‘toUtf8’
{ return indexOf(s.toUtf8(), from); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘int QByteArray::lastIndexOf(const QString&, int) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1329:24: error: ‘const class QString’ has no member named ‘toUtf8’
{ return lastIndexOf(s.toUtf8(), from); }
^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(const QString&, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1334:20: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QString’)
{ QString t(s1); t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(const QString&, QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1336:20: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘QChar’)
{ QString t(s1); t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(QChar, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1338:15: error: no matching function for call to ‘QString::QString(QChar&)’
{ QString t(s1); t += s2; return t; }
^
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:99:21: note: candidate: QString::QString(const QByteArray&)
inline explicit QString(const QByteArray &s) Q_DECL_NOTHROW : m_size(int(qstrnlen(s.constData(), s.size()))), m_data(s.constData()) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:99:21: note: no known conversion for argument 1 from ‘QChar’ to ‘const QByteArray&’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:98:38: note: candidate: constexpr QString::QString(const char*, int)
Q_DECL_CONSTEXPR inline explicit QString(const char *s, int sz) Q_DECL_NOTHROW : m_size(sz), m_data(s) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:98:38: note: candidate expects 2 arguments, 1 provided
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:96:31: note: candidate: constexpr QString::QString(const char*, const char*)
Q_DECL_CONSTEXPR explicit QString(const char *f, const char *l)
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:96:31: note: candidate expects 2 arguments, 1 provided
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:95:38: note: candidate: constexpr QString::QString(const char*)
Q_DECL_CONSTEXPR inline explicit QString(const char *s) Q_DECL_NOTHROW : m_size(s ? int(strlen(s)) : 0), m_data(s) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:95:38: note: no known conversion for argument 1 from ‘QChar’ to ‘const char*’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:94:29: note: candidate: constexpr QString::QString()
Q_DECL_CONSTEXPR inline QString() Q_DECL_NOTHROW : m_size(0), m_data(Q_NULLPTR) {}
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:94:29: note: candidate expects 0 arguments, 1 provided
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: candidate: constexpr QString::QString(const QString&)
class QString
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: no known conversion for argument 1 from ‘QChar’ to ‘const QString&’
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: candidate: constexpr QString::QString(QString&&)
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:91:7: note: no known conversion for argument 1 from ‘QChar’ to ‘QString&&’
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1338:20: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QString’)
{ QString t(s1); t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(const QString&, const char*)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1341:32: error: ‘fromUtf8’ is not a member of ‘QString’
{ QString t(s1); t += QString::fromUtf8(s2); return t; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(const char*, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1343:24: error: ‘fromUtf8’ is not a member of ‘QString’
{ QString t = QString::fromUtf8(s1); t += s2; return t; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1343:40: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QString’)
{ QString t = QString::fromUtf8(s1); t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(char, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1345:20: error: ‘class QString’ has no member named ‘prepend’; did you mean ‘rend’?
{ QString t = s; t.prepend(QChar::fromLatin1(c)); return t; }
^~~~~~~
rend
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(const QString&, char)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1347:20: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘QChar’)
{ QString t = s; t += QChar::fromLatin1(c); return t; }
~~^~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(const QByteArray&, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1349:24: error: ‘fromUtf8’ is not a member of ‘QString’
{ QString t = QString::fromUtf8(ba); t += s; return t; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1349:40: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QString’)
{ QString t = QString::fromUtf8(ba); t += s; return t; }
~~^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘const QString operator+(const QString&, const QByteArray&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1351:31: error: ‘fromUtf8’ is not a member of ‘QString’
{ QString t(s); t += QString::fromUtf8(ba); return t; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1355:43: error: no ‘std::__cxx11::string QString::toStdString() const’ member function declared in class ‘QString’
inline std::string QString::toStdString() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1358:59: error: no ‘QString QString::fromStdString(const string&)’ member function declared in class ‘QString’
inline QString QString::fromStdString(const std::string &s)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1361:45: error: no ‘std::__cxx11::wstring QString::toStdWString() const’ member function declared in class ‘QString’
inline std::wstring QString::toStdWString() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1376:61: error: no ‘QString QString::fromStdWString(const wstring&)’ member function declared in class ‘QString’
inline QString QString::fromStdWString(const std::wstring &s)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1380:65: error: no ‘QString QString::fromStdU16String(const u16string&)’ member function declared in class ‘QString’
inline QString QString::fromStdU16String(const std::u16string &s)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1383:49: error: no ‘std::__cxx11::u16string QString::toStdU16String() const’ member function declared in class ‘QString’
inline std::u16string QString::toStdU16String() const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1386:65: error: no ‘QString QString::fromStdU32String(const u32string&)’ member function declared in class ‘QString’
inline QString QString::fromStdU32String(const std::u32string &s)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1389:49: error: no ‘std::__cxx11::u32string QString::toStdU32String() const’ member function declared in class ‘QString’
inline std::u32string QString::toStdU32String() const
^~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qglobal.h:1179:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:43,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:246:7: error: redefinition of ‘class QTypeInfo<QString>’
class QTypeInfo<TYPE > \
^~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:265:1: note: in expansion of macro ‘Q_DECLARE_TYPEINFO_BODY’
Q_DECLARE_TYPEINFO_BODY(TYPE, FLAGS)
^~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:289:1: note: in expansion of macro ‘Q_DECLARE_TYPEINFO’
Q_DECLARE_TYPEINFO(TYPE, FLAGS); \
^~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:293:32: note: in expansion of macro ‘Q_DECLARE_SHARED_IMPL’
#define Q_DECLARE_SHARED(TYPE) Q_DECLARE_SHARED_IMPL(TYPE, Q_MOVABLE_TYPE)
^~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1403:1: note: in expansion of macro ‘Q_DECLARE_SHARED’
Q_DECLARE_SHARED(QString)
^~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:246:7: note: previous definition of ‘class QTypeInfo<QString>’
class QTypeInfo<TYPE > \
^~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:265:1: note: in expansion of macro ‘Q_DECLARE_TYPEINFO_BODY’
Q_DECLARE_TYPEINFO_BODY(TYPE, FLAGS)
^~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:199:1: note: in expansion of macro ‘Q_DECLARE_TYPEINFO’
Q_DECLARE_TYPEINFO(QString, Q_MOVABLE_TYPE);
^~~~~~~~~~~~~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qglobal.h:99:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:43,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:291:42: error: ‘class QString’ has no member named ‘swap’
Q_DECL_NOEXCEPT_EXPR(noexcept(value1.swap(value2))) \
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcompilerdetection.h:1153:43: note: in definition of macro ‘Q_DECL_NOEXCEPT_EXPR’
# define Q_DECL_NOEXCEPT_EXPR(x) noexcept(x)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:293:32: note: in expansion of macro ‘Q_DECLARE_SHARED_IMPL’
#define Q_DECLARE_SHARED(TYPE) Q_DECLARE_SHARED_IMPL(TYPE, Q_MOVABLE_TYPE)
^~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1403:1: note: in expansion of macro ‘Q_DECLARE_SHARED’
Q_DECLARE_SHARED(QString)
^~~~~~~~~~~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qglobal.h:1179:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:43,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘void swap(QString&, QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:292:10: error: ‘class QString’ has no member named ‘swap’
{ value1.swap(value2); }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qtypeinfo.h:293:32: note: in expansion of macro ‘Q_DECLARE_SHARED_IMPL’
#define Q_DECLARE_SHARED(TYPE) Q_DECLARE_SHARED_IMPL(TYPE, Q_MOVABLE_TYPE)
^~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1403:1: note: in expansion of macro ‘Q_DECLARE_SHARED’
Q_DECLARE_SHARED(QString)
^~~~~~~~~~~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qglobal.h:1183:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:43,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘SectionFlags’ is not a member of ‘QString’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:179:32: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘SectionFlags’ is not a member of ‘QString’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:179:32: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:179:48: error: template argument 1 is invalid
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) Q_DECL_NOTHROW \
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:1: note: in expansion of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: declaration of ‘operator|’ as non-function
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:179:60: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘QString::SectionFlags’ has not been declared
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:179:60: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘QString::SectionFlags’ has not been declared
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:179:81: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, Flags::enum_type f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘SectionFlags’ is not a member of ‘QString’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:181:32: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘SectionFlags’ is not a member of ‘QString’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:181:32: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:181:48: error: template argument 1 is invalid
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:1: note: in expansion of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: declaration of ‘operator|’ as non-function
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:181:60: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘QString::SectionFlags’ has not been declared
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:181:60: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘SectionFlags’ is not a member of ‘QString’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:181:88: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘SectionFlags’ is not a member of ‘QString’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:181:88: note: in definition of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:181:104: error: template argument 1 is invalid
Q_DECL_CONSTEXPR inline QFlags<Flags::enum_type> operator|(Flags::enum_type f1, QFlags<Flags::enum_type> f2) Q_DECL_NOTHROW \
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:1: note: in expansion of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: declaration of ‘operator|’ as non-function
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:175:53: note: in definition of macro ‘Q_DECLARE_INCOMPATIBLE_FLAGS’
Q_DECL_CONSTEXPR inline QIncompatibleFlag operator|(Flags::enum_type f1, int f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:1: note: in expansion of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:40: error: ‘QString::SectionFlags’ has not been declared
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:175:53: note: in definition of macro ‘Q_DECLARE_INCOMPATIBLE_FLAGS’
Q_DECL_CONSTEXPR inline QIncompatibleFlag operator|(Flags::enum_type f1, int f2) Q_DECL_NOTHROW \
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:1: note: in expansion of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:175:74: error: expected primary-expression before ‘int’
Q_DECL_CONSTEXPR inline QIncompatibleFlag operator|(Flags::enum_type f1, int f2) Q_DECL_NOTHROW \
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qflags.h:182:21: note: in expansion of macro ‘Q_DECLARE_INCOMPATIBLE_FLAGS’
{ return f2 | f1; } Q_DECLARE_INCOMPATIBLE_FLAGS(Flags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1404:1: note: in expansion of macro ‘Q_DECLARE_OPERATORS_FOR_FLAGS’
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1416:22: error: ‘const_pointer’ in ‘class QString’ does not name a type
typedef QString::const_pointer const_pointer;
^~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1465:78: error: ‘QString::SplitBehavior’ has not been declared
Q_REQUIRED_RESULT QVector<QStringRef> split(const QString &sep, QString::SplitBehavior behavior = QString::KeepEmptyParts,
^~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1467:69: error: ‘QString::SplitBehavior’ has not been declared
Q_REQUIRED_RESULT QVector<QStringRef> split(QChar sep, QString::SplitBehavior behavior = QString::KeepEmptyParts,
^~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1465:112: error: ‘KeepEmptyParts’ is not a member of ‘QString’
Q_REQUIRED_RESULT QVector<QStringRef> split(const QString &sep, QString::SplitBehavior behavior = QString::KeepEmptyParts,
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1467:103: error: ‘KeepEmptyParts’ is not a member of ‘QString’
Q_REQUIRED_RESULT QVector<QStringRef> split(QChar sep, QString::SplitBehavior behavior = QString::KeepEmptyParts,
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘const QChar* QStringRef::unicode() const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1510:61: error: ‘QString::Data’ has not been declared
return reinterpret_cast<const QChar *>(QString::Data::sharedNull()->data());
^~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1511:26: error: ‘const class QString’ has no member named ‘unicode’
return m_string->unicode() + m_position;
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘int QStringRef::compare(const QByteArray&, Qt::CaseSensitivity) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1564:23: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(unicode(), size(), s.data(), qstrnlen(s.data(), s.size()), cs); }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator!=(const QString&, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1615:95: error: ‘const class QString’ has no member named ‘compare’
inline bool operator!=(const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) != 0; }
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(const QString&, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1616:95: error: ‘const class QString’ has no member named ‘compare’
inline bool operator< (const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) < 0; }
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(const QString&, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1617:95: error: ‘const class QString’ has no member named ‘compare’
inline bool operator> (const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) > 0; }
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<=(const QString&, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1618:95: error: ‘const class QString’ has no member named ‘compare’
inline bool operator<=(const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) <= 0; }
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>=(const QString&, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1619:95: error: ‘const class QString’ has no member named ‘compare’
inline bool operator>=(const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) >= 0; }
^~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qglobal.h:99:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:43,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcompilerdetection.h:1152:26: error: no ‘int QString::compare(const QStringRef&, Qt::CaseSensitivity) const’ member function declared in class ‘QString’
# define Q_DECL_NOEXCEPT noexcept
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcompilerdetection.h:1162:25: note: in expansion of macro ‘Q_DECL_NOEXCEPT’
# define Q_DECL_NOTHROW Q_DECL_NOEXCEPT
^~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1628:80: note: in expansion of macro ‘Q_DECL_NOTHROW’
inline int QString::compare(const QStringRef &s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcompilerdetection.h:1152:26: error: no ‘int QString::compare(const QString&, const QStringRef&, Qt::CaseSensitivity)’ member function declared in class ‘QString’
# define Q_DECL_NOEXCEPT noexcept
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcompilerdetection.h:1162:25: note: in expansion of macro ‘Q_DECL_NOEXCEPT’
# define Q_DECL_NOTHROW Q_DECL_NOEXCEPT
^~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1630:94: note: in expansion of macro ‘Q_DECL_NOTHROW’
inline int QString::compare(const QString &s1, const QStringRef &s2, Qt::CaseSensitivity cs) Q_DECL_NOTHROW
^~~~~~~~~~~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:44:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘int QStringRef::compare(const QString&, Qt::CaseSensitivity) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1633:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1633:59: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1633:74: error: ‘const class QString’ has no member named ‘length’; did you mean ‘left’?
{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
^~~~~~
left
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘int QStringRef::compare(const QStringRef&, Qt::CaseSensitivity) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1635:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘int QStringRef::compare(QString, Qt::CaseSensitivity) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1637:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), length(), s, cs); }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In static member function ‘static int QStringRef::compare(const QStringRef&, const QString&, Qt::CaseSensitivity)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1639:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1639:66: error: ‘const class QString’ has no member named ‘constData’
{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1639:82: error: ‘const class QString’ has no member named ‘length’; did you mean ‘left’?
{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
^~~~~~
left
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In static member function ‘static int QStringRef::compare(const QStringRef&, const QStringRef&, Qt::CaseSensitivity)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1641:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In static member function ‘static int QStringRef::compare(const QStringRef&, QString, Qt::CaseSensitivity)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1643:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s1.constData(), s1.length(), s2, cs); }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator!=(QString, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1647:99: error: call of overloaded ‘compare(QString&)’ is ambiguous
inline bool operator!=(QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) != 0; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1632:12: note: candidate: int QStringRef::compare(const QString&, Qt::CaseSensitivity) const
inline int QStringRef::compare(const QString &s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1636:12: note: candidate: int QStringRef::compare(QString, Qt::CaseSensitivity) const
inline int QStringRef::compare(QString s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(QString, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1648:99: error: call of overloaded ‘compare(QString&)’ is ambiguous
inline bool operator< (QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) > 0; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1632:12: note: candidate: int QStringRef::compare(const QString&, Qt::CaseSensitivity) const
inline int QStringRef::compare(const QString &s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1636:12: note: candidate: int QStringRef::compare(QString, Qt::CaseSensitivity) const
inline int QStringRef::compare(QString s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(QString, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1649:99: error: call of overloaded ‘compare(QString&)’ is ambiguous
inline bool operator> (QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) < 0; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1632:12: note: candidate: int QStringRef::compare(const QString&, Qt::CaseSensitivity) const
inline int QStringRef::compare(const QString &s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1636:12: note: candidate: int QStringRef::compare(QString, Qt::CaseSensitivity) const
inline int QStringRef::compare(QString s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<=(QString, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1650:99: error: call of overloaded ‘compare(QString&)’ is ambiguous
inline bool operator<=(QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) >= 0; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1632:12: note: candidate: int QStringRef::compare(const QString&, Qt::CaseSensitivity) const
inline int QStringRef::compare(const QString &s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1636:12: note: candidate: int QStringRef::compare(QString, Qt::CaseSensitivity) const
inline int QStringRef::compare(QString s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>=(QString, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1651:99: error: call of overloaded ‘compare(QString&)’ is ambiguous
inline bool operator>=(QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) <= 0; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1632:12: note: candidate: int QStringRef::compare(const QString&, Qt::CaseSensitivity) const
inline int QStringRef::compare(const QString &s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1636:12: note: candidate: int QStringRef::compare(QString, Qt::CaseSensitivity) const
inline int QStringRef::compare(QString s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
^~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator==(const QStringRef&, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1653:88: error: ambiguous overload for ‘operator==’ (operand types are ‘QString’ and ‘const QStringRef’)
inline bool operator==(const QStringRef &lhs, QString rhs) Q_DECL_NOTHROW { return rhs == lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1614:20: note: candidate: bool operator==(const QString&, const QStringRef&)
Q_CORE_EXPORT bool operator==(const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW;
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1646:20: note: candidate: bool operator==(QString, const QStringRef&)
Q_CORE_EXPORT bool operator==(QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW;
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator!=(const QStringRef&, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1654:88: error: ambiguous overload for ‘operator!=’ (operand types are ‘QString’ and ‘const QStringRef’)
inline bool operator!=(const QStringRef &lhs, QString rhs) Q_DECL_NOTHROW { return rhs != lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1615:13: note: candidate: bool operator!=(const QString&, const QStringRef&)
inline bool operator!=(const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) != 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1647:13: note: candidate: bool operator!=(QString, const QStringRef&)
inline bool operator!=(QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) != 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(const QStringRef&, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1655:88: error: ambiguous overload for ‘operator>’ (operand types are ‘QString’ and ‘const QStringRef’)
inline bool operator< (const QStringRef &lhs, QString rhs) Q_DECL_NOTHROW { return rhs > lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1617:13: note: candidate: bool operator>(const QString&, const QStringRef&)
inline bool operator> (const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) > 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1649:13: note: candidate: bool operator>(QString, const QStringRef&)
inline bool operator> (QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) < 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(const QStringRef&, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1656:88: error: ambiguous overload for ‘operator<’ (operand types are ‘QString’ and ‘const QStringRef’)
inline bool operator> (const QStringRef &lhs, QString rhs) Q_DECL_NOTHROW { return rhs < lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1616:13: note: candidate: bool operator<(const QString&, const QStringRef&)
inline bool operator< (const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) < 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1648:13: note: candidate: bool operator<(QString, const QStringRef&)
inline bool operator< (QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) > 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<=(const QStringRef&, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1657:88: error: ambiguous overload for ‘operator>=’ (operand types are ‘QString’ and ‘const QStringRef’)
inline bool operator<=(const QStringRef &lhs, QString rhs) Q_DECL_NOTHROW { return rhs >= lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1619:13: note: candidate: bool operator>=(const QString&, const QStringRef&)
inline bool operator>=(const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) >= 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1651:13: note: candidate: bool operator>=(QString, const QStringRef&)
inline bool operator>=(QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) <= 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>=(const QStringRef&, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1658:88: error: ambiguous overload for ‘operator<=’ (operand types are ‘QString’ and ‘const QStringRef’)
inline bool operator>=(const QStringRef &lhs, QString rhs) Q_DECL_NOTHROW { return rhs <= lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1618:13: note: candidate: bool operator<=(const QString&, const QStringRef&)
inline bool operator<=(const QString &lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return lhs.compare(rhs) <= 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1650:13: note: candidate: bool operator<=(QString, const QStringRef&)
inline bool operator<=(QString lhs, const QStringRef &rhs) Q_DECL_NOTHROW { return rhs.compare(lhs) >= 0; }
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(QChar, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1664:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(&lhs, 1, rhs.data(), rhs.size()) < 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(QChar, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1666:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(&lhs, 1, rhs.data(), rhs.size()) > 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(QChar, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1683:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(&lhs, 1, rhs.data(), rhs.size()) < 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(QChar, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1685:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(&lhs, 1, rhs.data(), rhs.size()) > 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(QChar, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1702:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(&lhs, 1, rhs) < 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(QChar, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1704:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(&lhs, 1, rhs) > 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator!=(QChar, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1706:78: error: ambiguous overload for ‘operator==’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator!=(QChar lhs, QString rhs) Q_DECL_NOTHROW { return !(lhs == rhs); }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1661:13: note: candidate: bool operator==(QChar, const QString&)
inline bool operator==(QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1699:13: note: candidate: bool operator==(QChar, QString)
inline bool operator==(QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<=(QChar, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1707:78: error: ambiguous overload for ‘operator>’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator<=(QChar lhs, QString rhs) Q_DECL_NOTHROW { return !(lhs > rhs); }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1665:13: note: candidate: bool operator>(QChar, const QString&)
inline bool operator> (QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1703:13: note: candidate: bool operator>(QChar, QString)
inline bool operator> (QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>=(QChar, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1708:78: error: ambiguous overload for ‘operator<’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator>=(QChar lhs, QString rhs) Q_DECL_NOTHROW { return !(lhs < rhs); }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1663:13: note: candidate: bool operator<(QChar, const QString&)
inline bool operator< (QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1701:13: note: candidate: bool operator<(QChar, QString)
inline bool operator< (QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator==(QString, QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1710:78: error: ambiguous overload for ‘operator==’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator==(QString lhs, QChar rhs) Q_DECL_NOTHROW { return rhs == lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1661:13: note: candidate: bool operator==(QChar, const QString&)
inline bool operator==(QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1699:13: note: candidate: bool operator==(QChar, QString)
inline bool operator==(QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator!=(QString, QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1711:78: error: ambiguous overload for ‘operator==’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator!=(QString lhs, QChar rhs) Q_DECL_NOTHROW { return !(rhs == lhs); }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1661:13: note: candidate: bool operator==(QChar, const QString&)
inline bool operator==(QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1699:13: note: candidate: bool operator==(QChar, QString)
inline bool operator==(QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(QString, QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1712:78: error: ambiguous overload for ‘operator>’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator< (QString lhs, QChar rhs) Q_DECL_NOTHROW { return rhs > lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1665:13: note: candidate: bool operator>(QChar, const QString&)
inline bool operator> (QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1703:13: note: candidate: bool operator>(QChar, QString)
inline bool operator> (QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(QString, QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1713:78: error: ambiguous overload for ‘operator<’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator> (QString lhs, QChar rhs) Q_DECL_NOTHROW { return rhs < lhs; }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1663:13: note: candidate: bool operator<(QChar, const QString&)
inline bool operator< (QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1701:13: note: candidate: bool operator<(QChar, QString)
inline bool operator< (QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<=(QString, QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1714:78: error: ambiguous overload for ‘operator<’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator<=(QString lhs, QChar rhs) Q_DECL_NOTHROW { return !(rhs < lhs); }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1663:13: note: candidate: bool operator<(QChar, const QString&)
inline bool operator< (QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1701:13: note: candidate: bool operator<(QChar, QString)
inline bool operator< (QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>=(QString, QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1715:78: error: ambiguous overload for ‘operator>’ (operand types are ‘QChar’ and ‘QString’)
inline bool operator>=(QString lhs, QChar rhs) Q_DECL_NOTHROW { return !(rhs > lhs); }
~~~~^~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1665:13: note: candidate: bool operator>(QChar, const QString&)
inline bool operator> (QChar lhs, const QString &rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1703:13: note: candidate: bool operator>(QChar, QString)
inline bool operator> (QChar lhs, QString rhs) Q_DECL_NOTHROW
^~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QStringRef::operator==(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1773:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) == 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QStringRef::operator!=(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1775:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) != 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QStringRef::operator<(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1777:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) < 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QStringRef::operator<=(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1779:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) <= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QStringRef::operator>(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1781:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) > 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QStringRef::operator>=(const char*) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1783:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(constData(), size(), s, -1) >= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator==(const char*, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1786:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) == 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator!=(const char*, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1788:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) != 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<(const char*, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1790:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) > 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator<=(const char*, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1792:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) >= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>(const char*, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1794:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) < 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘bool operator>=(const char*, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1796:19: error: ‘compare_helper’ is not a member of ‘QString’
{ return QString::compare_helper(s2.constData(), s2.size(), s1, -1) <= 0; }
^~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1799:61: error: no ‘int QString::localeAwareCompare(const QStringRef&) const’ member function declared in class ‘QString’
inline int QString::localeAwareCompare(const QStringRef &s) const
^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1801:79: error: no ‘int QString::localeAwareCompare(const QString&, const QStringRef&)’ member function declared in class ‘QString’
inline int QString::localeAwareCompare(const QString& s1, const QStringRef& s2)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘int QStringRef::localeAwareCompare(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1804:19: error: ‘localeAwareCompare_helper’ is not a member of ‘QString’
{ return QString::localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
^~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1804:70: error: ‘const class QString’ has no member named ‘constData’
{ return QString::localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1804:85: error: ‘const class QString’ has no member named ‘length’; did you mean ‘left’?
{ return QString::localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
^~~~~~
left
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘int QStringRef::localeAwareCompare(const QStringRef&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1806:19: error: ‘localeAwareCompare_helper’ is not a member of ‘QString’
{ return QString::localeAwareCompare_helper(constData(), length(), s.constData(), s.length()); }
^~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In static member function ‘static int QStringRef::localeAwareCompare(const QStringRef&, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1808:19: error: ‘localeAwareCompare_helper’ is not a member of ‘QString’
{ return QString::localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
^~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1808:77: error: ‘const class QString’ has no member named ‘constData’
{ return QString::localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1808:93: error: ‘const class QString’ has no member named ‘length’; did you mean ‘left’?
{ return QString::localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
^~~~~~
left
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In static member function ‘static int QStringRef::localeAwareCompare(const QStringRef&, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1810:19: error: ‘localeAwareCompare_helper’ is not a member of ‘QString’
{ return QString::localeAwareCompare_helper(s1.constData(), s1.length(), s2.constData(), s2.length()); }
^~~~~~~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QStringRef::contains(const QString&, Qt::CaseSensitivity) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1813:26: error: call of overloaded ‘indexOf(const QString&, int, Qt::CaseSensitivity&)’ is ambiguous
{ return indexOf(s, 0, cs) != -1; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1447:9: note: candidate: int QStringRef::indexOf(const QString&, int, Qt::CaseSensitivity) const
int indexOf(const QString &str, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1449:9: note: candidate: int QStringRef::indexOf(QString, int, Qt::CaseSensitivity) const
int indexOf(QString str, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In member function ‘bool QStringRef::contains(QString, Qt::CaseSensitivity) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1815:26: error: call of overloaded ‘indexOf(QString&, int, Qt::CaseSensitivity&)’ is ambiguous
{ return indexOf(s, 0, cs) != -1; }
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1447:9: note: candidate: int QStringRef::indexOf(const QString&, int, Qt::CaseSensitivity) const
int indexOf(const QString &str, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1449:9: note: candidate: int QStringRef::indexOf(QString, int, Qt::CaseSensitivity) const
int indexOf(QString str, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
^~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: At global scope:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1821:59: error: no ‘QString& QString::insert(int, const QStringRef&)’ member function declared in class ‘QString’
inline QString &QString::insert(int i, const QStringRef &s)
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘QString operator+(const QString&, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1826:16: error: ‘class QString’ has no member named ‘reserve’; did you mean ‘reference’?
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
^~~~~~~
reference
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1826:50: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QString’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1826:59: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QStringRef’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘QString operator+(const QStringRef&, const QString&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1828:16: error: ‘class QString’ has no member named ‘reserve’; did you mean ‘reference’?
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
^~~~~~~
reference
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1828:50: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QStringRef’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1828:59: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QString’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘QString operator+(const QStringRef&, QString)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1830:16: error: ‘class QString’ has no member named ‘reserve’; did you mean ‘reference’?
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
^~~~~~~
reference
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1830:50: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QStringRef’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1830:59: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘QString’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘QString operator+(QString, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1832:16: error: ‘class QString’ has no member named ‘reserve’; did you mean ‘reference’?
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
^~~~~~~
reference
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1832:50: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘QString’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1832:59: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QStringRef’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘QString operator+(const QStringRef&, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1834:16: error: ‘class QString’ has no member named ‘reserve’; did you mean ‘reference’?
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
^~~~~~~
reference
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1834:50: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QStringRef’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1834:59: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QStringRef’)
{ QString t; t.reserve(s1.size() + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘QString operator+(const QStringRef&, QChar)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1836:16: error: ‘class QString’ has no member named ‘reserve’; did you mean ‘reference’?
{ QString t; t.reserve(s1.size() + 1); t += s1; t += s2; return t; }
^~~~~~~
reference
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1836:42: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QStringRef’)
{ QString t; t.reserve(s1.size() + 1); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1836:51: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘QChar’)
{ QString t; t.reserve(s1.size() + 1); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h: In function ‘QString operator+(QChar, const QStringRef&)’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1838:16: error: ‘class QString’ has no member named ‘reserve’; did you mean ‘reference’?
{ QString t; t.reserve(1 + s2.size()); t += s1; t += s2; return t; }
^~~~~~~
reference
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1838:42: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘QChar’)
{ QString t; t.reserve(1 + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstring.h:1838:51: error: no match for ‘operator+=’ (operand types are ‘QString’ and ‘const QStringRef’)
{ QString t; t.reserve(1 + s2.size()); t += s1; t += s2; return t; }
~~^~~~~
In file included from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qlist.h:1094:0,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qobject.h:49,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qcoreapplication.h:46,
from /home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/QCoreApplication:1,
from /home/howardchen/Learning/qt/untitled2/main.cpp:1:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h: In member function ‘QString QListSpecialMethods<QString>::join(const QString&) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h:204:52: error: ‘const class QString’ has no member named ‘constData’
return QtPrivate::QStringList_join(self(), sep.constData(), sep.length());
^~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h:204:69: error: ‘const class QString’ has no member named ‘length’; did you mean ‘left’?
return QtPrivate::QStringList_join(self(), sep.constData(), sep.length());
^~~~~~
left
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h: In member function ‘bool QStringList::contains(const QString&, Qt::CaseSensitivity) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h:224:57: error: call of overloaded ‘QStringList_contains(const QStringList*, const QString&, Qt::CaseSensitivity&)’ is ambiguous
return QtPrivate::QStringList_contains(this, str, cs);
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h:168:24: note: candidate: bool QtPrivate::QStringList_contains(const QStringList*, const QString&, Qt::CaseSensitivity)
bool Q_CORE_EXPORT QStringList_contains(const QStringList *that, const QString &str, Qt::CaseSensitivity cs);
^~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h:169:24: note: candidate: bool QtPrivate::QStringList_contains(const QStringList*, QString, Qt::CaseSensitivity)
bool Q_CORE_EXPORT QStringList_contains(const QStringList *that, QString str, Qt::CaseSensitivity cs);
^~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h: In member function ‘bool QStringList::contains(QString, Qt::CaseSensitivity) const’:
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h:229:57: error: call of overloaded ‘QStringList_contains(const QStringList*, QString&, Qt::CaseSensitivity&)’ is ambiguous
return QtPrivate::QStringList_contains(this, str, cs);
^
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h:168:24: note: candidate: bool QtPrivate::QStringList_contains(const QStringList*, const QString&, Qt::CaseSensitivity)
bool Q_CORE_EXPORT QStringList_contains(const QStringList *that, const QString &str, Qt::CaseSensitivity cs);
^~~~~~~~~~~~~~~~~~~~
/home/howardchen/Qt/5.10.1/gcc_64/include/QtCore/qstringlist.h:169:24: note: candidate: bool QtPrivate::QStringList_contains(const QStringList*, QString, Qt::CaseSensitivity)
bool Q_CORE_EXPORT QStringList_contains(const QStringList *that, QString str, Qt::CaseSensitivity cs);
^~~~~~~~~~~~~~~~~~~~
Process failed with exit code 1.
The following products could not be built for configuration qtc_Desktop_Qt_5_10_1_GCC_64bit_Debug:
untitled2
Error while building/deploying project untitled2 (kit: Desktop Qt 5.10.1 GCC 64bit)
When executing step "Qbs Build"
09:10:49: Elapsed time: 00:01.
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