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  1. #include <functional>
  2. #include <iostream>
  3.  
  4. struct compare_equal{
  5.   template<class LHS, class RHS>
  6.   bool operator()(LHS&& lhs, RHS&& rhs){ // assume bool return
  7.     return std::forward<LHS>(lhs) == std::forward<RHS>(rhs);
  8.   }
  9. };
  10.  
  11. int main(){
  12.   using std::placeholders::_1;
  13.   auto equals_five = std::bind(compare_equal(), _1, 5);
  14.   std::cout << std::boolalpha << equals_five(5);
  15. }
Success #stdin #stdout 0s 2884KB
comments (?)
stdin 
Standard input is empty
stdout 
true
https://ideone.com/fmhlE
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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