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by akoboldfrying
14 days ago
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Reminds me of an idea I had years ago, for implementing "named binary operator syntax" in C++ so that stuff like the following would work: int x = 5 <xor> 3; // x = 6
The basic trick was to notice that this is really parsed as: int x = ((5 < xor) > 3);
which you could implement with (roughly): struct XorType1 { ... } xor;
struct XorType2 {
int left;
XorType2(int left) : left(left) {}
int operator>(int right) const {
return left ^ right;
}
};
XorType2 operator<(int left, XorType1 const& ignored) {
return XorType2(left);
}
But I sat on this for a while and later discovered someone else had already come up with it :-/EDIT: Thanks commenter hawkice for fixing my XOR arithmetic! |
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See https://en.cppreference.com/cpp/language/operator_alternativ...