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    std::skipws, std::noskipws

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    C++
     
    Input / Output-Bibliothek
    I / O-Manipulatoren
    C-style I / O
    Puffern
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    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)
     
    Eingang / Ausgang Manipulatoren
    Gleitkomma-Formatierung
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    Floating-point formatting
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    Integer-Formatierung
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    Integer formatting
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    Boolean Formatierung
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    Boolean formatting
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    boolalpha
    noboolalpha
    Feldbreite und fill Kontrolle
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    Field width and fill control
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    Andere Formatierungen
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    Other formatting
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    Whitespace-Verarbeitung
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    Whitespace processing
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    skipws
    noskipws
    Output Spülung
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    Output flushing
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    Statusflags Manipulation
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    Status flags manipulation
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    Zeit und Geld I / O
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    Time and money I/O
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    get_money(C++11)
    get_time(C++11)
    put_money(C++11)
    put_time(C++11)
     
    definiert in Header <ios>
    (1)
    std::ios_base& noskipws(std::ios_base& str );
    		 (2)
    Aktiviert oder deaktiviert das Überspringen von führenden Leerzeichen durch die formatierte Eingabe-Funktionen (standardmäßig aktiviert). Hat keine Auswirkungen auf die Produktion .
    Original:
    Enables or disables skipping of leading whitespace by the formatted input functions (enabled by default). Has no effect on output.
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    1)
    ermöglicht die skipws Flagge in den Strom str, als ob durch den Aufruf str.setf(std::ios_base::skipws)
    Original:
    enables the skipws flag in the stream str as if by calling str.setf(std::ios_base::skipws)
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    2)
    deaktiviert die skipws Flagge in den Strom str, als ob durch den Aufruf str.unsetf(std::ios_base::skipws)
    Original:
    disables the skipws flag in the stream str as if by calling str.unsetf(std::ios_base::skipws)
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    Das Leerzeichen übersprungen wird vom Konstruktor std::basic_istream::sentry, liest und verwirft die Zeichen als Leerraum von der std::ctype Facette des Streams durchdrungen locale klassifiziert durchgeführt .
    Original:
    The whitespace skipping is performed by the constructor of std::basic_istream::sentry, which reads and discards the characters classified as whitespace by the std::ctype facet of the stream's imbued locale.
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    Dies ist ein I / O-Manipulators, kann es mit einem Expressionsvektor wie out << std::noskipws für jede out vom Typ std::basic_ostream oder mit einem Expressionsvektor wie in >> std::noskipws für jede in vom Typ std::basic_istream aufgerufen werden .
    Original:
    This is an I/O manipulator, it may be called with an expression such as out << std::noskipws for any out of type std::basic_ostream or with an expression such as in >> std::noskipws for any in of type std::basic_istream.
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    Inhaltsverzeichnis

    [Bearbeiten]Parameter

    str -
    Verweisen auf I / O-Strom
    Original:
    reference to I/O stream
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    [Bearbeiten]Rückgabewert

    str (Verweis auf den Stream nach Manipulation)
    Original:
    str (reference to the stream after manipulation)
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    [Bearbeiten]Beispiel

    #include <iostream>#include <sstream>int main(){char c1, c2, c3;std::istringstream("a b c")>> c1 >> c2 >> c3;std::cout<<"Default behavior: c1 = "<< c1 <<" c2 = "<< c2 <<" c3 = "<< c3 <<'\n';std::istringstream("a b c")>> std::noskipws>> c1 >> c2 >> c3;std::cout<<"noskipws behavior: c1 = "<< c1 <<" c2 = "<< c2 <<" c3 = "<< c3 <<'\n';}

    Output: 

    Default behavior: c1 = a c2 = b c3 = c noskipws behavior: c1 = a c2 = c3 = b

    [Bearbeiten]Siehe auch

    löscht die angegebene ios_base Fahnen
    Original:
    clears the specified ios_base flags
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    (Funktion)[edit]
    Legt die angegebene ios_base Fahnen
    Original:
    sets the specified ios_base flags
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    (Funktion)[edit]
    Von „https://de.cppreference.com/mwiki/index.php?title=cpp/io/manip/skipws&oldid=26988“
    close