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Fixed constraints on operator<=>(optional<T>, U) #55

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Fixed constraints on operator<=>(optional<T>, U) #55

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2 changes: 1 addition & 1 deletion libstdc++-v3/include/std/optional
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Original file line number Diff line number Diff line change
Expand Up @@ -1234,7 +1234,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ return !__rhs || __lhs >= *__rhs; }

#ifdef __cpp_lib_three_way_comparison
template<typename _Tp, typename _Up>
template<typename _Tp, three_way_comparable_with<_Tp> _Up>
constexpr compare_three_way_result_t<_Tp, _Up>
operator<=>(const optional<_Tp>& __x, const _Up& __v)
{ return bool(__x) ? *__x <=> __v : strong_ordering::less; }
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