Wandbox

Ran/Viewed Log

Author

anonymous

almost 6 years ago

Language

C++

Compiler

clang 8.0.0

Options

Warnings

Boost 1.70.0

C++17

no pedantic

Raw compiler options

a.cpp

Author

anonymous

almost 6 years ago

a.h

a.cpp

$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.70.0/clang-8.0.0/include -std=c++17 a.cpp

prog.cc:6:29: warning: instantiation of variable 'A<double>::name' required here, but no definition is available [-Wundefined-var-template]
    std::cout << A<double>::name << std::endl;
                            ^
./a.h:7:28: note: forward declaration of template entity is here
        static const char *name;
                           ^
prog.cc:6:29: note: add an explicit instantiation declaration to suppress this warning if 'A<double>::name' is explicitly instantiated in another translation unit
    std::cout << A<double>::name << std::endl;
                            ^
1 warning generated.
Johnny

Exit Code:

0