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cppdraft/stoptoken/mem.md

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+[stoptoken.mem]
+
+# 32 Concurrency support library [[thread]](./#thread)
+
+## 32.3 Stop tokens [[thread.stoptoken]](thread.stoptoken#stoptoken.mem)
+
+### 32.3.4 Class stop_token [[stoptoken]](stoptoken#mem)
+
+#### 32.3.4.2 Member functions [stoptoken.mem]
+
+[🔗](#lib:swap,stop_token)
+
+`void swap(stop_token& rhs) noexcept;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/threads.tex#L868)
+
+*Effects*: Equivalent to:*stop-state*.swap(rhs.*stop-state*);
+
+[🔗](#lib:stop_requested,stop_token)
+
+`bool stop_requested() const noexcept;
+`
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/threads.tex#L882)
+
+*Returns*: true if *stop-state* refers to a stop state
+that has received a stop request;
+otherwise, false[.](#2.sentence-1)
+
+[🔗](#lib:stop_possible,stop_token)
+
+`bool stop_possible() const noexcept;
+`
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/threads.tex#L895)
+
+*Returns*: false if
+
+- [(3.1)](#3.1)
+
+*this is disengaged, or
+
+- [(3.2)](#3.2)
+
+a stop request was not made
+ and there are no associated stop_source objects;
+
+otherwise, true[.](#3.sentence-1)