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Everywhere: Remove redundant inequality comparison operators

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C++20 can automatically synthesize `operator!=` from `operator==`, so
there is no point in writing such functions by hand if all they do is
call through to `operator==`.

This fixes a compile error with compilers that implement P2468 (Clang
16 currently). This paper restores the C++17 behavior that if both
`T::operator==(U)` and `T::operator!=(U)` exist, `U == T` won't be
rewritten in reverse to call `T::operator==(U)`. Removing `!=` operators
makes the rewriting possible again.
See https://reviews.llvm.org/D134529#3853062
This commit is contained in:
Daniel Bertalan 2022-10-21 15:53:20 +02:00 • committed by Andrew Kaster
parent 4e406b0730
commit 4296425bd8
Notes: sideshowbarker 2024-07-17 04:44:02 +09:00
40 changed files with 1 additions and 180 deletions
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AK/Time.h
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@ -223,7 +223,6 @@ public:
[[nodiscard]] bool is_negative() const { return m_seconds < 0; }
bool operator==(Time const& other) const { return this->m_seconds == other.m_seconds && this->m_nanoseconds == other.m_nanoseconds; }
bool operator!=(Time const& other) const { return !(*this == other); }
Time operator+(Time const& other) const;
Time& operator+=(Time const& other);
Time operator-(Time const& other) const;