cpp / latest / concepts / movable.html /

std::movable

Defined in header <concepts>
template < class T >
concept movable =
  std::is_object_v<T> &&
  std::move_constructible<T> &&
  std::assignable_from<T&, T> &&
  std::swappable<T>;
(since C++20)

The concept movable<T> specifies that T is an object type that can be moved (that is, it can be move constructed, move assigned, and lvalues of type T can be swapped).

See also

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

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/w/cpp/concepts/movable