DOKK / manpages / debian 13 / libstdc++-12-doc / std::assignable_from.3cxx.en
std::assignable_from(3cxx) std::assignable_from(3cxx)

std::assignable_from - [concept.assignable], concept assignable_from

#include <concepts>

template<typename _Lhs, typename _Rhs>
concept std::assignable_from =  is_lvalue_reference_v<_Lhs>

&& common_reference_with<__detail::__cref<_Lhs>, __detail::__cref<_Rhs>>
&& requires(_Lhs __lhs, _Rhs&& __rhs) {
{ __lhs = static_cast<_Rhs&&>(__rhs) } -> same_as<_Lhs>;
}

[concept.assignable], concept assignable_from

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