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std::copyable

From cppreference.com
< cpp‎ | concepts
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 an movable object type that can also copied (that is, it supports copy construction and copy assignment).

[edit] See also

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