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Everywhere: Remove redundant inequality comparison operators
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
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40 changed files with 1 additions and 180 deletions
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@ -53,16 +53,12 @@ public:
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bool is_null() const { return !m_impl; }
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bool operator==(FlyString const& other) const { return m_impl == other.m_impl; }
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bool operator!=(FlyString const& other) const { return m_impl != other.m_impl; }
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bool operator==(String const&) const;
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bool operator!=(String const& string) const { return !(*this == string); }
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bool operator==(StringView) const;
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bool operator!=(StringView string) const { return !(*this == string); }
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bool operator==(char const*) const;
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bool operator!=(char const* string) const { return !(*this == string); }
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StringImpl const* impl() const { return m_impl; }
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char const* characters() const { return m_impl ? m_impl->characters() : nullptr; }
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