From Jason Turner

[util.smartptr.hash]

C++11 → C++14 1.5 KB 20 lines
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Archived: C++11 | C++14
Markdown: C++11 | C++14
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tmp/tmpv1tqpk2z/{from.md → to.md} RENAMED
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  ``` cpp
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  template <class T, class D> struct hash<unique_ptr<T, D> >;
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  ```
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- *Requires:* The template specialization shall meet the requirements of
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- class template `hash` ([[unord.hash]]). For an object `p` of type `UP`,
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- where `UP` is `unique_ptr<T, D>`, `hash<UP>()(p)` shall evaluate to the
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- same value as `hash<typename UP::pointer>()(p.get())`. The
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- specialization `hash<typename UP::pointer>` shall be well-formed.
 
 
 
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  ``` cpp
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  template <class T> struct hash<shared_ptr<T> >;
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  ```
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- *Requires:* The template specialization shall meet the requirements of
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- class template `hash` ([[unord.hash]]). For an object `p` of type
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  `shared_ptr<T>`, `hash<shared_ptr<T> >()(p)` shall evaluate to the same
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  value as `hash<T*>()(p.get())`.
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  ``` cpp
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  template <class T, class D> struct hash<unique_ptr<T, D> >;
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  ```
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+ The template specialization shall meet the requirements of class
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+ template `hash` ([[unord.hash]]). For an object `p` of type `UP`, where
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+ `UP` is `unique_ptr<T, D>`, `hash<UP>()(p)` shall evaluate to the same
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+ value as `hash<typename UP::pointer>()(p.get())`.
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+
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+ *Requires:* The specialization `hash<typename UP::pointer>` shall be
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+ well-formed and well-defined, and shall meet the requirements of class
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+ template `hash` ([[unord.hash]]).
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  ``` cpp
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  template <class T> struct hash<shared_ptr<T> >;
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  ```
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+ The template specialization shall meet the requirements of class
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+ template `hash` ([[unord.hash]]). For an object `p` of type
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  `shared_ptr<T>`, `hash<shared_ptr<T> >()(p)` shall evaluate to the same
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  value as `hash<T*>()(p.get())`.
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