26 lines
516 B
C++
26 lines
516 B
C++
#pragma once
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template <class Derived>
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struct TotalOrdering
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{
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friend constexpr bool operator!=(const Derived& a, const Derived& b)
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{
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return !(a == b);
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}
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friend constexpr bool operator<=(const Derived& a, const Derived& b)
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{
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return a < b || a == b;
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}
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friend constexpr bool operator>(const Derived& a, const Derived& b)
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{
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return !(a <= b);
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}
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friend constexpr bool operator>=(const Derived& a, const Derived& b)
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{
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return !(a < b);
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}
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};
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