From Jason Turner

[thread.thread.id]

C++14 → C++17 2.4 KB 25 lines
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Archived: C++14 | C++17
Markdown: C++14 | C++17
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  1. tmp/tmpojbwk_u2/{from.md → to.md} +10 -11
tmp/tmpojbwk_u2/{from.md → to.md} RENAMED
@@ -27,19 +27,19 @@ namespace std {
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  An object of type `thread::id` provides a unique identifier for each
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  thread of execution and a single distinct value for all `thread` objects
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  that do not represent a thread of execution ([[thread.thread.class]]).
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  Each thread of execution has an associated `thread::id` object that is
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  not equal to the `thread::id` object of any other thread of execution
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- and that is not equal to the `thread::id` object of any `std::thread`
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- object that does not represent threads of execution.
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  `thread::id` shall be a trivially copyable class (Clause  [[class]]).
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  The library may reuse the value of a `thread::id` of a terminated thread
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  that can no longer be joined.
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- Relational operators allow `thread::id` objects to be used as keys in
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- associative containers.
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  ``` cpp
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  id() noexcept;
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  ```
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@@ -70,40 +70,39 @@ described in  [[alg.sorting]].
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  ``` cpp
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  bool operator<=(thread::id x, thread::id y) noexcept;
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  ```
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- *Returns:* `!(y < x)`
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  ``` cpp
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  bool operator>(thread::id x, thread::id y) noexcept;
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  ```
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- *Returns:* `y < x`
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  ``` cpp
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  bool operator>=(thread::id x, thread::id y) noexcept;
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  ```
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- *Returns:* `!(x < y)`
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  ``` cpp
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  template<class charT, class traits>
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  basic_ostream<charT, traits>&
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- operator<< (basic_ostream<charT, traits>&& out, thread::id id);
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  ```
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  *Effects:* Inserts an unspecified text representation of `id` into
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  `out`. For two objects of type `thread::id` `x` and `y`, if `x == y` the
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  `thread::id` objects shall have the same text representation and if
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  `x != y` the `thread::id` objects shall have distinct text
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  representations.
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- *Returns:* `out`
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  ``` cpp
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  template <> struct hash<thread::id>;
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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]]).
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  An object of type `thread::id` provides a unique identifier for each
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  thread of execution and a single distinct value for all `thread` objects
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  that do not represent a thread of execution ([[thread.thread.class]]).
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  Each thread of execution has an associated `thread::id` object that is
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  not equal to the `thread::id` object of any other thread of execution
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+ and that is not equal to the `thread::id` object of any `thread` object
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+ that does not represent threads of execution.
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  `thread::id` shall be a trivially copyable class (Clause  [[class]]).
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  The library may reuse the value of a `thread::id` of a terminated thread
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  that can no longer be joined.
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+ [*Note 1*: Relational operators allow `thread::id` objects to be used
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+ as keys in associative containers. — *end note*]
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  ``` cpp
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  id() noexcept;
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  ```
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  ``` cpp
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  bool operator<=(thread::id x, thread::id y) noexcept;
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  ```
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+ *Returns:* `!(y < x)`.
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  ``` cpp
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  bool operator>(thread::id x, thread::id y) noexcept;
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  ```
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+ *Returns:* `y < x`.
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  ``` cpp
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  bool operator>=(thread::id x, thread::id y) noexcept;
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  ```
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+ *Returns:* `!(x < y)`.
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  ``` cpp
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  template<class charT, class traits>
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  basic_ostream<charT, traits>&
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+ operator<< (basic_ostream<charT, traits>& out, thread::id id);
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  ```
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  *Effects:* Inserts an unspecified text representation of `id` into
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  `out`. For two objects of type `thread::id` `x` and `y`, if `x == y` the
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  `thread::id` objects shall have the same text representation and if
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  `x != y` the `thread::id` objects shall have distinct text
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  representations.
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+ *Returns:* `out`.
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  ``` cpp
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  template <> struct hash<thread::id>;
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  ```
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+ The specialization is enabled ([[unord.hash]]).
 
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