Difference between revisions of "cpp/concepts/copyable"
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std::copy_constructible<T> && | std::copy_constructible<T> && | ||
std::movable<T> && | std::movable<T> && | ||
| − | std::assignable_from<T&, const T&>; | + | std::assignable_from<T&, T&> && |
| + | std::assignable_from<T&, const T&> && | ||
| + | std::assignable_from<T&, const T>; | ||
}} | }} | ||
The concept {{tt|copyable<T>}} specifies that {{tt|T}} is an {{lconcept|movable}} object type that can also copied (that is, it supports copy construction and copy assignment). | The concept {{tt|copyable<T>}} specifies that {{tt|T}} is an {{lconcept|movable}} object type that can also copied (that is, it supports copy construction and copy assignment). | ||
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=== See also === | === See also === | ||
Revision as of 18:48, 21 June 2020
| Defined in header <concepts>
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| template <class T> concept copyable = |
(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).
See also
| (C++20) |
specifies that an object of a type can be moved and swapped (concept) |
