40 lines
1.5 KiB
Markdown
40 lines
1.5 KiB
Markdown
[stopcallback.inplace.cons]
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# 32 Concurrency support library [[thread]](./#thread)
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## 32.3 Stop tokens [[thread.stoptoken]](thread.stoptoken#stopcallback.inplace.cons)
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### 32.3.10 Class template inplace_stop_callback [[stopcallback.inplace]](stopcallback.inplace#cons)
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#### 32.3.10.2 Constructors and destructor [stopcallback.inplace.cons]
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[ð](#itemdecl:1)
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`template<class Initializer>
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explicit inplace_stop_callback(inplace_stop_token st, Initializer&& init)
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noexcept(is_nothrow_constructible_v<CallbackFn, Initializer>);
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/threads.tex#L1381)
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*Constraints*: [constructible_from](concept.constructible#concept:constructible_from "18.4.11 Concept constructible_from [concept.constructible]")<CallbackFn, Initializer> is satisfied[.](#1.sentence-1)
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/threads.tex#L1385)
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*Effects*: Initializes *callback-fn* with std::forward<Initializer>(init) and executes a stoppable callback registration ([[stoptoken.concepts]](stoptoken.concepts "32.3.3 Stop token concepts"))[.](#2.sentence-1)
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[ð](#itemdecl:2)
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`~inplace_stop_callback();
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`
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/threads.tex#L1396)
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*Effects*: Executes a stoppable callback deregistration ([[stoptoken.concepts]](stoptoken.concepts "32.3.3 Stop token concepts"))[.](#3.sentence-1)
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