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    std::ios_base::ios_base

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    <metanoindex/>

     
    C++
     
    Input / Output-Bibliothek
    I / O-Manipulatoren
    C-style I / O
    Puffern
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf(veraltet)
    Streams
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    Streams
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    Abstraktionen
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    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    Datei-I / O
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    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    String I / O
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    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Array I / O
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    Array I/O
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    istrstream(veraltet)
    ostrstream(veraltet)
    strstream(veraltet)
    Types
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    Types
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    streamoff
    streamsize
    fpos
    Fehler Kategorie Schnittstelle
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    Error category interface
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    iostream_category(C++11)
    io_errc(C++11)
     
    std::ios_base
    Member-Funktionen
    Original:
    Member functions
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    ios_base::ios_base
    ios_base::~ios_base
    Formatierung
    Original:
    Formatting
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    ios_base::flags
    ios_base::setf
    ios_base::unsetf
    ios_base::precision
    ios_base::width
    Locales
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    Locales
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    ios_base::imbue
    ios_base::getloc
    Interne erweiterbare Array
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    Internal extensible array
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    ios_base::xalloc
    ios_base::iword
    ios_base::pword
    Verschiedenes
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    Miscellaneous
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    ios_base::register_callback
    ios_base::sync_with_stdio
    Mitglied Klassen
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    Member classes
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    ios_base::failure
    ios_base::Init
    Mitglied Typen
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    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
     
    <tbody> </tbody>
    public: ios_base( const ios_base& ) = delete;
    		 (1)
    protected: ios_base();
    		 (2)

    1)

    Die Kopie constuctor gelöscht: Streams sind nicht kopierbar
    Original:
    The copy constuctor is deleted: streams are not copyable
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    2)

    Der Standardkonstruktor ist geschützt: Nur abgeleitete Klassen können std::ios_base konstruieren. Der innere Zustand ist nach dem Bau undefiniert. Die abgeleitete Klasse muss basic_ios::init() rufen, um die Initialisierung vor dem ersten Gebrauch oder vor destructor abzuschließen, da sonst das Verhalten undefiniert ist .
    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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    Notes

    Das gleiche gilt für die Konstrukteure der nächsten Klasse in der I / O-Hierarchie, std::basic_ios. Weitere abgeleitete Klassen (std::istream und std::ostream) werden immer mit einem konkreten streambuffer Objekt und rufen basic_ios::init() gebaut, möglicherweise mehr als einmal, um die Initialisierung ihrer virtuellen Basis abzuschließen .
    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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