EqualityComparable.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Templates/Models.h"
 
struct CEqualityComparableWith {
    template <typename T, typename U>
    auto Requires(bool& Result, const T& A, const U& B) -> decltype(
        Result = A == B,
        Result = B == A,
        Result = A != B,
        Result = B != A
    );
};
 
struct CEqualityComparable {
    template <typename T>
    auto Requires() -> decltype(
        Refines<CEqualityComparableWith, T, T>()
    );
};