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std::ios_base::ios_base

提供: cppreference.com
< cpp‎ | io‎ | ios base

 
 
入力/出力ライブラリ
I / Oのマニピュレータ
CスタイルのI / O
バッファ
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(廃止予定)
ストリーム
Original:
Streams
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抽象化
Original:
Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
ファイルI / O
Original:
File I/O
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basic_ifstream
basic_ofstream
basic_fstream
文字列I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
アレイのI / O
Original:
Array I/O
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istrstream(廃止予定)
ostrstream(廃止予定)
strstream(廃止予定)
タイプ
Original:
Types
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streamoff
streamsize
fpos
エラーカテゴリインターフェース
Original:
Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::ios_base
メンバ関数
Original:
Member functions
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ios_base::ios_base
ios_base::~ios_base
書式
Original:
Formatting
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ios_base::flags
ios_base::setf
ios_base::unsetf
ios_base::precision
ios_base::width
ロケール
Original:
Locales
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ios_base::imbue
ios_base::getloc
内部拡張可能配列
Original:
Internal extensible array
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ios_base::xalloc
ios_base::iword
ios_base::pword
その他
Original:
Miscellaneous
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ios_base::register_callback
ios_base::sync_with_stdio
メンバークラス
Original:
Member classes
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ios_base::failure
ios_base::Init
メンバータイプ
Original:
Member types
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ios_base::openmode
ios_base::fmtflags
ios_base::iostate
ios_base::seekdir
ios_base::event
ios_base::event_callback
 
public:
ios_base( const ios_base& ) = delete;
(1)
protected:
ios_base();
(2)
1)
コピーconstuctorは削除されます。ストリームはコピー可能ではありません
Original:
The copy constuctor is deleted: streams are not copyable
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2)
デフォルトコンストラクタは保護されています派生クラスだけはstd::ios_baseを構築することができる。内部状態は、建設後に定義されていません。派生クラスが最初に使用する前に、またはデストラクタ前に初期化を完了するbasic_ios::init()を呼び出す必要があり、そうでない場合の動作は未定義です.
Original:
The default constructor is protected: only derived classes may construct std::ios_base. The internal state is undefined after the construction. The derived class must call basic_ios::init() to complete initialization before first use or before destructor, otherwise the behavior is undefined.
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[編集] ノート

同じことがstd::basic_iosは、I / O階層内の次のクラスのコンストラクタに適用されます。さらに派生クラス(std::istreamstd::ostream)は常に、複数回多分、具体的なストリームバッファオブジェクトとコールbasic_ios::init()で構築される、仮想基盤の初期化を完了するために.
Original:
The same applies to the constructors of the next class in the I/O hierarchy, std::basic_ios. Further-derived classes (std::istream and std::ostream) are always constructed with a concrete streambuffer object and call basic_ios::init(), possibly more than once, to complete initialization of their virtual base.
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