Init

cppdraft/exec/snd/transform.md

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+[exec.snd.transform]
+
+# 33 Execution control library [[exec]](./#exec)
+
+## 33.9 Senders [[exec.snd]](exec.snd#transform)
+
+### 33.9.6 execution​::​transform_sender [exec.snd.transform]
+
+[🔗](#lib:transform_sender)
+
+`namespace std::execution {
+  template<class Domain, [sender](exec.snd.concepts#concept:sender "33.9.3 Sender concepts [exec.snd.concepts]") Sndr, [queryable](exec.queryable.concept#concept:queryable "33.2.2 queryable concept [exec.queryable.concept]")... Env>
+      requires (sizeof...(Env) <= 1)
+    constexpr [sender](exec.snd.concepts#concept:sender "33.9.3 Sender concepts [exec.snd.concepts]") decltype(auto) transform_sender(Domain dom, Sndr&& sndr, const Env&... env)
+      noexcept(see below);
+}
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/exec.tex#L2534)
+
+Let *transformed-sndr* be the expressiondom.transform_sender(std::forward<Sndr>(sndr), env...) if that expression is well-formed; otherwise,default_domain().transform_sender(std::forward<Sndr>(sndr), env...)
+
+Let *final-sndr* be the expression *transformed-sndr* if *transformed-sndr* and *sndr* have the same type ignoring cv-qualifiers;
+otherwise, it is
+the expression transform_sender(dom, *transformed-sndr*, env...)[.](#1.sentence-2)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/exec.tex#L2549)
+
+*Returns*: *final-sndr*[.](#2.sentence-1)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/exec.tex#L2553)
+
+*Remarks*: The exception specification is equivalent tonoexcept(*final-sndr*)[.](#3.sentence-1)