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  1. #include <cassert>
  2. #include <set>
  3.  
  4. struct IntWrapper {
  5. 	int value;
  6. };
  7.  
  8. struct LessComparer {
  9. 	bool operator()(const IntWrapper& lhs, const IntWrapper& rhs) const {
  10. 		return lhs.value < rhs.value;
  11. 	}
  12. };
  13.  
  14. int main() {
  15. 	std::set<IntWrapper, LessComparer> s();
  16. 	assert(s == s);
  17. }
Success #stdin #stdout 0s 3464KB
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https://ideone.com/tn1huh
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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