libstdc++: std::assignable_from Concept Reference

libstdc++

std::assignable_from Concept Reference

`#include <concepts>`

## Concept definition

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>;
}
std::same_as
[concept.same], concept same_as
Definition concepts:65
std::common_reference_with
[concept.commonref], concept common_reference_with
Definition concepts:87
std::assignable_from
[concept.assignable], concept assignable_from
Definition concepts:149

## Detailed Description

[concept.assignable], concept assignable_from

Definition at line 148 of file concepts.