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std::setiosflags

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< cpp‎ | io‎ | manip

 
 
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setiosflags
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Defined in header <iomanip>
/*unspecified*/ setiosflags( std::ios_base::fmt_flags mask );

When used in an expression out << setiosflags(mask) or in >> setiosflags(mask), sets all format flags of the stream out or in as specified by the mask.

目次

[編集] パラメータ

mask - bitmask of the flags to set

[編集] 値を返します

不特定の型のオブジェクトを返すような場合strタイプの出力ストリームの名前ですstd::basic_ostream<CharT, Traits>またはstd::basic_istream<CharT, Traits>、式str << setiosflags(mask)またはstr >> setiosflags(mask)次のコードが実行されたかのように動作します
Original:
Returns an object of unspecified type such that if str is the name of an output stream of type std::basic_ostream<CharT, Traits> or std::basic_istream<CharT, Traits>, then the expression str << setiosflags(mask) or str >> setiosflags(mask) behaves as if the following code was executed:
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str.setf(mask);

[編集]

#include <iostream>
#include <iomanip>
int main()
{
    std::cout <<  std::resetiosflags(std::ios_base::dec) 
              <<  std::setiosflags(  std::ios_base::hex
                                   | std::ios_base::uppercase
                                   | std::ios_base::showbase) << 42 << '\n';
}

Output:

0X2A

[編集] も参照してください

特定の形式のフラグを設定します
Original:
sets specific format flag
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(パブリックメンバ関数of std::ios_base) [edit]
指定されたios_bas​​eのフラグをクリアします
Original:
clears the specified ios_base flags
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(関数) [edit]