21 lines
743 B
Markdown
21 lines
743 B
Markdown
[exec.set.error]
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# 33 Execution control library [[exec]](./#exec)
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## 33.7 Receivers [[exec.recv]](exec.recv#exec.set.error)
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### 33.7.3 execution::set_error [exec.set.error]
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/exec.tex#L1249)
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set_error is an error completion function ([[exec.async.ops]](exec.async.ops "33.3 Asynchronous operations"))[.](#1.sentence-1)
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Its associated completion tag is set_error_t[.](#1.sentence-2)
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The expression set_error(rcvr, err) for some subexpressions rcvr and err is ill-formed
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if rcvr is an lvalue or an rvalue of const type[.](#1.sentence-3)
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Otherwise, it is expression-equivalent to*MANDATE-NOTHROW*(rcvr.set_error(err))[.](#1.sentence-4)
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