Created
July 6, 2012 21:30
-
-
Save ZachMassia/3062851 to your computer and use it in GitHub Desktop.
Sort Error
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
int ExampleRunner::ex4_2_3() | |
{ | |
using namespace std; | |
vector<StudentInfo> students; | |
StudentInfo record; | |
string::size_type maxlen = 0; | |
// Read and store all the records, and find the length of the longets name | |
while (read(cin, record)) { | |
maxlen = max(maxlen, record.name.size()); | |
students.push_back(record); | |
} | |
// Alphabetize the records | |
// TODO: fix error with compare, "unresolved overloaded function type" | |
sort(students.begin(), students.end(), compare); | |
for (vector<StudentInfo>::size_type i = 0; i != students.size(); ++i) { | |
// Write the name, padded on the right to maxlen + 1 characters | |
cout << students[i].name | |
<< string(maxlen + 1 - students[i].name.size(), ' '); | |
// Compute and write the grade | |
try { | |
double final_grade = grade(students[i]); | |
streamsize prec = cout.precision(); | |
cout << setprecision(3) << final_grade | |
<< setprecision(prec); | |
} catch (domain_error e) { | |
cout << e.what(); | |
} | |
cout << endl; | |
} | |
// -- End of Method -- // | |
return 0; | |
} | |
bool ExampleRunner::compare(const StudentInfo & x, const StudentInfo & y) | |
{ | |
return (x.name < y.name); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
-------------- Build: Debug in acceleratedC++ ---------------
Compiling: main.cpp
/home/zach/dev/c++/AcceleratedC/main.cpp: In function 'int main()':
/home/zach/dev/c++/AcceleratedC/main.cpp:9:9: warning: unused variable 'exercise' [-Wunused-variable]
Compiling: src/ExampleRunner.cpp
/home/zach/dev/c++/AcceleratedC/src/ExampleRunner.cpp: In member function 'int ExampleRunner::ex4_2_3()':
/home/zach/dev/c++/AcceleratedC/src/ExampleRunner.cpp:28:51: error: no matching function for call to 'sort(std::vectorExampleRunner::StudentInfo::iterator, std::vectorExampleRunner::StudentInfo::iterator, )'
/home/zach/dev/c++/AcceleratedC/src/ExampleRunner.cpp:28:51: note: candidates are:
In file included from /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1/algorithm:63:0,
from /home/zach/dev/c++/AcceleratedC/include/ExampleRunner.h:9,
from /home/zach/dev/c++/AcceleratedC/src/ExampleRunner.cpp:1:
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1/bits/stl_algo.h:5463:5: note: template void std::sort(_RAIter, _RAIter)
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1/bits/stl_algo.h:5463:5: note: template argument deduction/substitution failed:
/home/zach/dev/c++/AcceleratedC/src/ExampleRunner.cpp:28:51: note: candidate expects 2 arguments, 3 provided
In file included from /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1/algorithm:63:0,
from /home/zach/dev/c++/AcceleratedC/include/ExampleRunner.h:9,
from /home/zach/dev/c++/AcceleratedC/src/ExampleRunner.cpp:1:
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1/bits/stl_algo.h:5499:5: note: void std::sort(_RAIter, _RAIter, _Compare) [with RAIter = __gnu_cxx::__normal_iterator<ExampleRunner::StudentInfo*, std::vectorExampleRunner::StudentInfo >; Compare = bool (ExampleRunner::)(const ExampleRunner::StudentInfo&, const ExampleRunner::StudentInfo&)]
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.1/../../../../include/c++/4.7.1/bits/stl_algo.h:5499:5: note: no known conversion for argument 3 from '' to 'bool (ExampleRunner::)(const ExampleRunner::StudentInfo&, const ExampleRunner::StudentInfo&)'
Process terminated with status 1 (0 minutes, 0 seconds)
7 errors, 1 warnings