Wandbox

Ran/Viewed Log

Author

anonymous

over 6 years ago

Language

C++

Compiler

clang HEAD 7.0.0 (https://github.com/llvm-mirror/clang.git 8c873daccce7ee5339b9fd82c81fe02b73543b65) (https://github.com/llvm-mirror/llvm.git 34d605cb1680fc2b51d39aa168568b181ff8910a)

Options

Warnings

Boost 1.67.0

C++2a(GNU)

no pedantic

Author

anonymous

over 6 years ago

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.67.0/clang-head/include -std=gnu++2a

prog.cc:10:21: error: no viable overloaded '='
        best_string = s;
        ~~~~~~~~~~~ ^ ~
/opt/wandbox/clang-head/include/c++/v1/string:834:19: note: candidate function not viable: 'this' argument has type 'const std::__1::basic_string<char>', but method is not marked const
    basic_string& operator=(const basic_string& __str);
                  ^
/opt/wandbox/clang-head/include/c++/v1/string:840:19: note: candidate function template not viable: 'this' argument has type 'const std::__1::basic_string<char>', but method is not marked const
    basic_string& operator=(__self_view __sv)  {return assign(__sv);}
                  ^
/opt/wandbox/clang-head/include/c++/v1/string:843:19: note: candidate function not viable: 'this' argument has type 'const std::__1::basic_string<char>', but method is not marked const
    basic_string& operator=(basic_string&& __str)
                  ^
/opt/wandbox/clang-head/include/c++/v1/string:846:19: note: candidate function not viable: 'this' argument has type 'const std::__1::basic_string<char>', but method is not marked const
    basic_string& operator=(initializer_list<value_type> __il) {return assign(__il.begin(), __il.size());}
                  ^
/opt/wandbox/clang-head/include/c++/v1/string:848:45: note: candidate function not viable: 'this' argument has type 'const std::__1::basic_string<char>', but method is not marked const
    _LIBCPP_INLINE_VISIBILITY basic_string& operator=(const value_type* __s) {return assign(__s);}
                                            ^
/opt/wandbox/clang-head/include/c++/v1/string:849:19: note: candidate function not viable: 'this' argument has type 'const std::__1::basic_string<char>', but method is not marked const
    basic_string& operator=(value_type __c);
                  ^
prog.cc:8:5: warning: expression result unused [-Wunused-value]
    [&best_string = std::as_const(best_string)](const std::string& s)
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning and 1 error generated.

Exit Code:

1