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std::copyable

Defined in header <concepts> 
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>;
 (since C++20)

The concept copyable<T> specifies that T is a movable object type that can also be copied (that is, it supports copy construction and copy assignment).

See also

(C++20)
specifies that an object of a type can be moved and swapped
(concept)

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https://en.cppreference.com/w/cpp/concepts/copyable