std::copyable
cppreference.com
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template <class T> concept copyable = std::copy_constructible<T> && std::movable<T> && std::assignable_from<T&, T&> && std::assignable_from<T&, const T&> && std::assignable_from<T&, const T>; |
( C++20) | |
copyable<T> , T movable , ( ).
(C++20) |
, () |