73 lines
2.4 KiB
Markdown
73 lines
2.4 KiB
Markdown
[basefield.manip]
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# 31 Input/output library [[input.output]](./#input.output)
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## 31.5 Iostreams base classes [[iostreams.base]](iostreams.base#basefield.manip)
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### 31.5.5 ios_base manipulators [[std.ios.manip]](std.ios.manip#basefield.manip)
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#### 31.5.5.3 basefield manipulators [basefield.manip]
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2685)
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Each function specified in this subclause
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is a designated addressable function ([[namespace.std]](namespace.std "16.4.5.2.1 Namespace std"))[.](#1.sentence-1)
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[ð](#lib:dec)
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`ios_base& dec(ios_base& str);
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2695)
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*Effects*: Callsstr.setf(ios_base::dec, ios_base::basefield)[.](#2.sentence-1)
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2700)
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*Returns*: str[.](#3.sentence-1)[265](#footnote-265 "The function signature dec(ios_base&) can be called by the function signature basic_ostream& stream::operator<<(ios_base& (*)(ios_base&)) to permit expressions of the form cout << dec to change the format flags stored in cout.")
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[ð](#lib:hex)
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`ios_base& hex(ios_base& str);
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`
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2722)
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*Effects*: Callsstr.setf(ios_base::hex, ios_base::basefield)[.](#4.sentence-1)
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[5](#5)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2727)
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*Returns*: str[.](#5.sentence-1)
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[ð](#lib:oct)
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`ios_base& oct(ios_base& str);
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`
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[6](#6)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2738)
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*Effects*: Callsstr.setf(ios_base::oct, ios_base::basefield)[.](#6.sentence-1)
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[7](#7)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2743)
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*Returns*: str[.](#7.sentence-1)
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[265)](#footnote-265)[265)](#footnoteref-265)
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The function signaturedec(ios_base&) can be called by
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the function signaturebasic_ostream& stream::operator<<(ios_base& (*)(ios_base&)) to permit expressions of the formcout << dec to change the format flags stored incout[.](#footnote-265.sentence-1)
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