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202+ 最終更新日時(UTC):
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204+ 2025年08月21日 11時27分10秒
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210+ が更新
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227+ < div class ="identifier-type "> customization point object</ div > < div class ="header "> <execution></ div > < h1 itemprop ="name "> < span class ="namespace " title ="namespace std::execution "> std::execution::</ span > < span class ="token "> unstoppable</ span > < span class ="cpp cpp26 " title ="C++26で追加 "> (C++26)</ span > </ h1 >
228+ < div itemprop ="articleBody "> < p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="k "> namespace</ span > < span class ="n "> std</ span > < span class ="o "> ::</ span > < span class ="n "> execution</ span > < span class ="p "> {</ span >
229+ < span class ="kr "> inline</ span > < span class ="k "> constexpr</ span > < span class ="n "> < i > unspecified</ i > </ span > < span class ="n "> unstoppable</ span > < span class ="p "> {};</ span >
230+ < span class ="p "> }</ span >
231+ </ code > </ pre > </ div >
232+ </ p >
233+ < h2 > 概要</ h2 >
234+ < p > < code > unstoppable</ code > は、< code > < a href ="../get_stop_token.html "> get_stop_token</ a > </ code > クエリオブジェクトが< code > < a href ="../../stop_token/never_stop_token.html "> never_stop_token</ a > </ code > を返すよう書き換えて、内側< a href ="sender.html "> Sender</ a > と外側< a href ="receiver.html "> Receiver</ a > の< a href ="../queryable.html "> 環境</ a > を接続するSenderアダプタである。</ p >
235+ < h2 > 効果</ h2 >
236+ < p > 説明用の式< code > sndr</ code > に対して、呼び出し式< code > unstoppable(sndr)</ code > は式< code > < a href ="write_env.html "> write_env</ a > (sndr, < a href ="prop.html "> prop</ a > (< a href ="../get_stop_token.html "> get_stop_token</ a > , < a href ="../../stop_token/never_stop_token.html "> never_stop_token{}</ a > ))</ code > と等価。</ p >
237+ < h2 > バージョン</ h2 >
238+ < h3 > 言語</ h3 >
239+ < ul >
240+ < li > C++26</ li >
241+ </ ul >
242+ < h3 > 処理系</ h3 >
243+ < ul >
244+ < li > < a href ="../../../implementation.html#clang "> Clang</ a > : ??</ li >
245+ < li > < a href ="../../../implementation.html#gcc "> GCC</ a > : ??</ li >
246+ < li > < a href ="../../../implementation.html#icc "> ICC</ a > : ??</ li >
247+ < li > < a href ="../../../implementation.html#visual_cpp "> Visual C++</ a > : ??</ li >
248+ </ ul >
249+ < h2 > 関連項目</ h2 >
250+ < ul >
251+ < li > < code > < a href ="write_env.html "> execution::write_env</ a > </ code > </ li >
252+ </ ul >
253+ < h2 > 参照</ h2 >
254+ < ul >
255+ < li > < a href ="https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2024/p2300r10.html " target ="_blank "> P2300R10 < code > std::execution</ code > </ a > </ li >
256+ < li > < a href ="https://open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3284r4.html " target ="_blank "> P3284R4 < code > write_env</ code > and < code > unstoppable</ code > Sender Adaptors</ a > </ li >
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