#include <iostream>
struct X
{
int a;
friend bool operator<(const X& left, const X& right) { return left.a < right.a; }
private:
struct safe_zero_idiom;
public:
friend bool operator<(const X& left, safe_zero_idiom*) { return left.a < 0; }
};
int main()
{
X x{1}, y{-2};
//if (x < 3)
std::cout << (y < x) << "\n";
std::cout << (y < 0) << "\n";
}
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Standard input is empty
language:
C++14 (gcc 8.3)
created:
10 years ago
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