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< p class ="text-right "> < small >
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最終更新日時(UTC):
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- < span itemprop ="datePublished " content ="2025-05-02T08:18:07 ">
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- 2025年05月02日 08時18分07秒
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+ < span itemprop ="datePublished " content ="2025-05-04T15:45:38 ">
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+ 2025年05月04日 15時45分38秒
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</ span >
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< br />
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< span itemprop ="author " itemscope itemtype ="http://schema.org/Person ">
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< span class ="n "> valid</ span > < span class ="o "> -</ span > < span class ="n "> specialization</ span > < span class ="o "> <</ span > < span class ="n "> connect</ span > < span class ="o "> -</ span > < span class ="n "> all</ span > < span class ="o "> -</ span > < span class ="n "> result</ span > < span class ="p "> ,</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> ></ span >
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< span class ="k "> struct</ span > < span class ="n "> basic</ span > < span class ="o "> -</ span > < span class ="nl "> operation</ span > < span class ="p "> :</ span > < span class ="n "> basic</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> ></ span > < span class ="p "> {</ span > < span class ="c1 "> // exposition only</ span >
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< span class ="k "> using</ span > < span class ="n "> operation_state_concept</ span > < span class ="o "> =</ span > < span class ="n "> < a href ="operation_state.html "> operation_state_t</ a > </ span > < span class ="p "> ;</ span >
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- < span class ="k "> using</ span > < span class ="n "> tag</ span > < span class ="o "> -</ span > < span class ="n "> t</ span > < span class ="o "> =</ span > < span class ="n "> < span href ="https://cpprefjp.github.io/reference/execution/execution/ tag_of_t.md.nolink "> tag_of_t</ span > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> ></ span > < span class ="p "> ;</ span > < span class ="c1 "> // exposition only</ span >
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+ < span class ="k "> using</ span > < span class ="n "> tag</ span > < span class ="o "> -</ span > < span class ="n "> t</ span > < span class ="o "> =</ span > < span class ="n "> < a href ="tag_of_t.html "> tag_of_t</ a > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> ></ span > < span class ="p "> ;</ span > < span class ="c1 "> // exposition only</ span >
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< span class ="n "> connect</ span > < span class ="o "> -</ span > < span class ="n "> all</ span > < span class ="o "> -</ span > < span class ="n "> result</ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> ></ span > < span class ="n "> inner</ span > < span class ="o "> -</ span > < span class ="n "> ops</ span > < span class ="p "> ;</ span > < span class ="c1 "> // exposition only</ span >
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< span class ="k "> struct</ span > < span class ="n "> basic</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> {</ span > < span class ="c1 "> // exposition only</ span >
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< span class ="n "> basic</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> (</ span > < span class ="n "> Sndr</ span > < span class ="o "> &&</ span > < span class ="n "> sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> &&</ span > < span class ="n "> rcvr</ span > < span class ="p "> )</ span > < span class ="k "> noexcept</ span > < span class ="p "> (</ span > < span class ="n "> < i > see below</ i > </ span > < span class ="p "> )</ span >
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< span class ="o "> :</ span > < span class ="n "> rcvr</ span > < span class ="p "> (</ span > < span class ="n "> std</ span > < span class ="o "> ::</ span > < span class ="n "> move</ span > < span class ="p "> (</ span > < span class ="n "> rcvr</ span > < span class ="p "> ))</ span >
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- < span class ="p "> ,</ span > < span class ="n "> state</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="impls-for.html "> impls-for</ a > </ span > < span class ="o "> <</ span > < span class ="n "> < span href ="https://cpprefjp.github.io/reference/execution/execution/ tag_of_t.md.nolink "> tag_of_t</ span > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> >>::</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="../../utility/forward.html "> std::forward</ a > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> ></ span > < span class ="p "> (</ span > < span class ="n "> sndr</ span > < span class ="p "> ),</ span > < span class ="n "> rcvr</ span > < span class ="p "> ))</ span > < span class ="p "> {</ span > < span class ="p "> }</ span >
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+ < span class ="p "> ,</ span > < span class ="n "> state</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="impls-for.html "> impls-for</ a > </ span > < span class ="o "> <</ span > < span class ="n "> < a href ="tag_of_t.html "> tag_of_t</ a > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> >>::</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="../../utility/forward.html "> std::forward</ a > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> ></ span > < span class ="p "> (</ span > < span class ="n "> sndr</ span > < span class ="p "> ),</ span > < span class ="n "> rcvr</ span > < span class ="p "> ))</ span > < span class ="p "> {</ span > < span class ="p "> }</ span >
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< span class ="n "> Rcvr</ span > < span class ="n "> rcvr</ span > < span class ="p "> ;</ span > < span class ="c1 "> // exposition only</ span >
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< span class ="n "> state</ span > < span class ="o "> -</ span > < span class ="n "> type</ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> ></ span > < span class ="n "> state</ span > < span class ="p "> ;</ span > < span class ="c1 "> // exposition only</ span >
@@ -274,13 +274,13 @@ <h2>クラス仕様</h2>
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</ p >
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< p > < code > basic-state</ code > コンストラクタ< code > noexcept</ code > 節の式は下記の通り。</ p >
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< p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="n "> < a href ="../../type_traits/is_nothrow_move_constructible.html "> is_nothrow_move_constructible_v</ a > </ span > < span class ="o "> <</ span > < span class ="n "> Rcvr</ span > < span class ="o "> ></ span > < span class ="o "> &&</ span >
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- < span class ="n "> nothrow</ span > < span class ="o "> -</ span > < span class ="n "> callable</ span > < span class ="o "> <</ span > < span class ="k "> decltype</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="impls-for.html "> impls-for</ a > </ span > < span class ="o "> <</ span > < span class ="n "> < span href ="https://cpprefjp.github.io/reference/execution/execution/ tag_of_t.md.nolink "> tag_of_t</ span > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> >>::</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> ),</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> &></ span > < span class ="o "> &&</ span >
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+ < span class ="n "> nothrow</ span > < span class ="o "> -</ span > < span class ="n "> callable</ span > < span class ="o "> <</ span > < span class ="k "> decltype</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="impls-for.html "> impls-for</ a > </ span > < span class ="o "> <</ span > < span class ="n "> < a href ="tag_of_t.html "> tag_of_t</ a > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> >>::</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> ),</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> &></ span > < span class ="o "> &&</ span >
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< span class ="p "> (</ span > < span class ="n "> < a href ="../../concepts/same_as.html "> same_as</ a > </ span > < span class ="o "> <</ span > < span class ="n "> state</ span > < span class ="o "> -</ span > < span class ="n "> type</ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> ></ span > < span class ="p "> ,</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="o "> -</ span > < span class ="n "> result</ span > < span class ="o "> ></ span > < span class ="o "> ||</ span >
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< span class ="n "> < a href ="../../type_traits/is_nothrow_constructible.html "> is_nothrow_constructible_v</ a > </ span > < span class ="o "> <</ span > < span class ="n "> state</ span > < span class ="o "> -</ span > < span class ="n "> type</ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> ></ span > < span class ="p "> ,</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="o "> -</ span > < span class ="n "> result</ span > < span class ="o "> ></ span > < span class ="p "> )</ span >
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</ code > </ pre > </ div >
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</ p >
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< p > ここで、説明用の型< code > get-state-result</ code > は下記の通り定義される。</ p >
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- < p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="n "> call</ span > < span class ="o "> -</ span > < span class ="n "> result</ span > < span class ="o "> -</ span > < span class ="n "> t</ span > < span class ="o "> <</ span > < span class ="k "> decltype</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="impls-for.html "> impls-for</ a > </ span > < span class ="o "> <</ span > < span class ="n "> < span href ="https://cpprefjp.github.io/reference/execution/execution/ tag_of_t.md.nolink "> tag_of_t</ span > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> >>::</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> ),</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> &></ span > < span class ="p "> .</ span >
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+ < p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="n "> call</ span > < span class ="o "> -</ span > < span class ="n "> result</ span > < span class ="o "> -</ span > < span class ="n "> t</ span > < span class ="o "> <</ span > < span class ="k "> decltype</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="impls-for.html "> impls-for</ a > </ span > < span class ="o "> <</ span > < span class ="n "> < a href ="tag_of_t.html "> tag_of_t</ a > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> >>::</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> ),</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> &></ span > < span class ="p "> .</ span >
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</ code > </ pre > </ div >
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</ p >
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< h2 > 説明専用エンティティ</ h2 >
@@ -290,7 +290,7 @@ <h2>説明専用エンティティ</h2>
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< span class ="k "> template</ span > < span class ="o "> <</ span > < span class ="k "> class</ span > < span class ="nc "> Sndr</ span > < span class ="p "> ,</ span > < span class ="k "> class</ span > < span class ="nc "> Rcvr</ span > < span class ="o "> ></ span > < span class ="c1 "> // exposition only</ span >
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< span class ="k "> using</ span > < span class ="n "> state</ span > < span class ="o "> -</ span > < span class ="n "> type</ span > < span class ="o "> =</ span > < span class ="n "> < a href ="../../type_traits/decay.html "> decay_t</ a > </ span > < span class ="o "> <</ span > < span class ="n "> call</ span > < span class ="o "> -</ span > < span class ="n "> result</ span > < span class ="o "> -</ span > < span class ="n "> t</ span > < span class ="o "> <</ span >
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- < span class ="k "> decltype</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="impls-for.html "> impls-for</ a > </ span > < span class ="o "> <</ span > < span class ="n "> < span href ="https://cpprefjp.github.io/reference/execution/execution/ tag_of_t.md.nolink "> tag_of_t</ span > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> >>::</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> ),</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> &>></ span > < span class ="p "> ;</ span >
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+ < span class ="k "> decltype</ span > < span class ="p "> (</ span > < span class ="n "> < a href ="impls-for.html "> impls-for</ a > </ span > < span class ="o "> <</ span > < span class ="n "> < a href ="tag_of_t.html "> tag_of_t</ a > </ span > < span class ="o "> <</ span > < span class ="n "> Sndr</ span > < span class ="o "> >>::</ span > < span class ="n "> get</ span > < span class ="o "> -</ span > < span class ="n "> state</ span > < span class ="p "> ),</ span > < span class ="n "> Sndr</ span > < span class ="p "> ,</ span > < span class ="n "> Rcvr</ span > < span class ="o "> &>></ span > < span class ="p "> ;</ span >
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< span class ="k "> constexpr</ span > < span class ="k "> auto</ span > < span class ="n "> connect</ span > < span class ="o "> -</ span > < span class ="n "> all</ span > < span class ="o "> =</ span > < span class ="n "> < i > see below</ i > </ span > < span class ="p "> ;</ span > < span class ="c1 "> // exposition only</ span >
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