54 lines
1.5 KiB
Markdown
54 lines
1.5 KiB
Markdown
[filebuf.assign]
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# 31 Input/output library [[input.output]](./#input.output)
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## 31.10 File-based streams [[file.streams]](file.streams#filebuf.assign)
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### 31.10.3 Class template basic_filebuf [[filebuf]](filebuf#assign)
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#### 31.10.3.3 Assignment and swap [filebuf.assign]
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[ð](#lib:operator=,basic_filebuf)
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`basic_filebuf& operator=(basic_filebuf&& rhs);
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L11166)
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*Effects*: Calls close() then move assigns from rhs[.](#1.sentence-1)
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After the
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move assignment *this has the observable state it would have had if it
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had been move constructed from rhs (see [[filebuf.cons]](filebuf.cons "31.10.3.2 Constructors"))[.](#1.sentence-2)
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L11172)
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*Returns*: *this[.](#2.sentence-1)
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[ð](#lib:swap,basic_filebuf)
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`void swap(basic_filebuf& rhs);
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`
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L11183)
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*Effects*: Exchanges the state of *this and rhs[.](#3.sentence-1)
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[ð](#lib:swap,basic_filebuf_)
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`template<class charT, class traits>
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void swap(basic_filebuf<charT, traits>& x, basic_filebuf<charT, traits>& y);
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`
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L11196)
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*Effects*: Equivalent to x.swap(y)[.](#4.sentence-1)
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