29 lines
925 B
Markdown
29 lines
925 B
Markdown
[refwrap.invoke]
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# 22 General utilities library [[utilities]](./#utilities)
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## 22.10 Function objects [[function.objects]](function.objects#refwrap.invoke)
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### 22.10.6 Class template reference_wrapper [[refwrap]](refwrap#invoke)
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#### 22.10.6.5 Invocation [refwrap.invoke]
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[ð](#lib:operator(),reference_wrapper)
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`template<class... ArgTypes>
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constexpr invoke_result_t<T&, ArgTypes...>
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operator()(ArgTypes&&... args) const noexcept(is_nothrow_invocable_v<T&, ArgTypes...>);
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11808)
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*Mandates*: T is a complete type[.](#1.sentence-1)
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/utilities.tex#L11812)
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*Returns*: *INVOKE*(get(), std::forward<ArgTypes>(args)...) ([[func.require]](func.require "22.10.4 Requirements"))[.](#2.sentence-1)
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