Author
anonymous
over 5 years ago
Language
C++
Compiler
gcc 9.2.0
Options
Warnings
Boost 1.71.0
C++2a(GNU)
no pedantic
Author
anonymous
over 5 years ago
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.71.0/gcc-9.2.0/include -std=gnu++2a prog.cc: In function 'int main()':
prog.cc:20:73: error: no match for 'operator=' (operand types are 'std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >' and 'std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> > >')
20 | value = std::chrono::system_clock::from_time_t(std::mktime(&cal)) + msecs;
| ^~~~~
In file included from prog.cc:3:
/opt/wandbox/gcc-9.2.0/include/c++/9.2.0/chrono:626:14: note: candidate: 'constexpr std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >& std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >::operator=(const std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >&)'
626 | struct time_point
| ^~~~~~~~~~
/opt/wandbox/gcc-9.2.0/include/c++/9.2.0/chrono:626:14: note: no known conversion for argument 1 from 'std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> > >' to 'const std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >&'
/opt/wandbox/gcc-9.2.0/include/c++/9.2.0/chrono:626:14: note: candidate: 'constexpr std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >& std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >::operator=(std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >&&)'
/opt/wandbox/gcc-9.2.0/include/c++/9.2.0/chrono:626:14: note: no known conversion for argument 1 from 'std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> > >' to 'std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000> > >&&'
Exit Code:
1