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  1. #include <iostream>
  2.  
  3. struct A
  4. {
  5.     static constexpr int foo() { return 1; }
  6. };
  7.  
  8. template <class T>
  9. void bar(T&& t)
  10. {
  11.     T::foo(); // <-- error
  12. }
  13.  
  14. int main()
  15. {
  16.     A a;
  17.     bar(a);
  18. }
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: In instantiation of ‘void bar(T&&) [with T = A&]’:
prog.cpp:17:10:   required from here
prog.cpp:11:11: error: ‘foo’ is not a member of ‘A&’
     T::foo(); // <-- error
     ~~~~~~^~
stdout
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Standard output is empty
https://ideone.com/yHgA2Z
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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