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  1. #include <type_traits>
  2.  
  3. int foo();
  4.  
  5. static_assert(std::is_function<decltype(foo)()>(), "...");
  6.  
  7. int main(){}
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:5:46: error: ‘type name’ declared as function returning a function
prog.cpp:5:47: error: template argument 1 is invalid
stdout
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Standard output is empty
https://ideone.com/yQn6Vk
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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