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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template <std::size_t N>
  5. constexpr void f() 
  6. {
  7.   static_assert(N == 42, "ERROR TEXT");
  8. }
  9.  
  10. int main() 
  11. {
  12. 	f<43>();
  13. 	return 0;
  14. }
Compilation error #stdin compilation error #stdout 0s 5648KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In instantiation of ‘constexpr void f() [with long unsigned int N = 43]’:
prog.cpp:12:7:   required from here
prog.cpp:7:19: error: static assertion failed: ERROR TEXT
   static_assert(N == 42, "ERROR TEXT");
                 ~~^~~~~
stdout
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Standard output is empty
https://ideone.com/pHEvuX
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

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