Created
September 22, 2016 09:28
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Run it online from http://cpp.sh/77sn5
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#include <iostream> | |
#include <thread> | |
using namespace std; | |
int _id = 1; | |
class Person | |
{ | |
public: | |
Person() | |
: m_isCopied(false) | |
{ | |
m_id = _id++; | |
cout << "[" << m_id << "] " << "Person::Constructor()" << endl; | |
} | |
Person(const Person& other) | |
: m_isCopied(true) | |
{ | |
m_id = _id++; | |
cout << "[" << m_id << "] " << "Person::Constructor() - Copied" << endl; | |
} | |
~Person() | |
{ | |
cout << "[" << m_id << "] " << "Person::Destructor()" << (m_isCopied ? " - Copied" : "") << endl; | |
} | |
int m_id; | |
bool m_isCopied; | |
}; | |
int main() | |
{ | |
Person p; | |
Person p1 = p; | |
cout << "Before func" << endl; | |
thread t1([p]() { | |
cout << "Person in lambda: " << p.m_id << endl; | |
}); | |
t1.join(); | |
cout << "After func" << endl; | |
return 0; | |
} | |
/* | |
Output of VS2015 | |
----------------------------------------------------------- | |
[1] Person::Constructor() | |
[2] Person::Constructor() - Copied | |
Before func | |
[3] Person::Constructor() - Copied | |
[4] Person::Constructor() - Copied | |
Person in lambda: 4 | |
[4] Person::Destructor() - Copied | |
[3] Person::Destructor() - Copied | |
After func | |
[2] Person::Destructor() - Copied | |
[1] Person::Destructor() | |
Output of GCC with C++11, http://cpp.sh/77sn5 | |
----------------------------------------------------------- | |
[1] Person::Constructor() | |
[2] Person::Constructor() - Copied | |
Before func | |
[3] Person::Constructor() - Copied | |
[4] Person::Constructor() - Copied | |
[5] Person::Constructor() - Copied | |
[4] Person::Destructor() - Copied | |
[3] Person::Destructor() - Copied | |
Person in lambda: 5 | |
[5] Person::Destructor() - Copied | |
After func | |
[2] Person::Destructor() - Copied | |
[1] Person::Destructor() | |
*/ |
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