[ifstream.swap]

# 31 Input/output library [[input.output]](./#input.output)

## 31.10 File-based streams [[file.streams]](file.streams#ifstream.swap)

### 31.10.4 Class template basic_ifstream [[ifstream]](ifstream#swap)

#### 31.10.4.3 Swap [ifstream.swap]

[🔗](#lib:swap,basic_ifstream)

`void swap(basic_ifstream& rhs);
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L11921)

*Effects*: Exchanges the state of *this and rhs by callingbasic_istream<charT, traits>​::​swap(rhs) and*sb*.swap(rhs.*sb*)[.](#1.sentence-1)

[🔗](#lib:swap,basic_ifstream_)

`template<class charT, class traits>
  void swap(basic_ifstream<charT, traits>& x, basic_ifstream<charT, traits>& y);
`

[2](#2)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L11936)

*Effects*: Equivalent to x.swap(y)[.](#2.sentence-1)