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std::hash

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< cpp‎ | memory‎ | shared ptr
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template<class T> struct hash<shared_ptr<T>>;
(since C++11)

The template specialization of std::hash for std::shared_ptr<T> allows users to obtain hashes of objects of type std::shared_ptr<T>.

For a given std::shared_ptr<T> p, this specialization ensures that std::hash<std::shared_ptr<T>>()(p) == std::hash<T*>()(p.get()).

[edit] Example

[edit] See also

(C++11)
hash function object
(class template) [edit]