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  1. #include <iostream>
  2.  
  3. class X {
  4. public:
  5.   operator bool() const {
  6.      return true;
  7.   }
  8. };
  9.  
  10. int main() {
  11.   X x;
  12.  
  13.   if (x) {
  14.     std::cout << x + 100;
  15.   }
  16.  
  17.   return 0;
  18. }
Success #stdin #stdout 0s 2852KB
comments (?)
stdin 
Standard input is empty
stdout 
101
https://ideone.com/tyGSs0
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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