Namensräume
Varianten

    std::basic_istream::peek

    Aus cppreference.com
    See More

    This page has been machine-translated from the English version of the wiki using Google Translate.

    The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

    Click here for the English version of this page

    <metanoindex/>

     
    C++
     
    Input / Output-Bibliothek
    I / O-Manipulatoren
    C-style I / O
    Puffern
    Original:
    Buffers
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf(veraltet)
    Streams
    Original:
    Streams
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    Abstraktionen
    Original:
    Abstractions
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    Datei-I / O
    Original:
    File I/O
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_ifstream
    basic_ofstream
    basic_fstream
    String I / O
    Original:
    String I/O
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Array I / O
    Original:
    Array I/O
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    istrstream(veraltet)
    ostrstream(veraltet)
    strstream(veraltet)
    Types
    Original:
    Types
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    streamoff
    streamsize
    fpos
    Fehler Kategorie Schnittstelle
    Original:
    Error category interface
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    iostream_category(C++11)
    io_errc(C++11)
     
    std::basic_istream
    Globale Objekte
    Original:
    Global objects
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    cin
    wcin
    Member-Funktionen
    Original:
    Member functions
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_istream::basic_istream
    basic_istream::~basic_istream
    basic_istream::operator=(C++11)
    Formatierte Eingabe
    Original:
    Formatted input
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_istream::operator>>
    Unformatierte Eingabe
    Original:
    Unformatted input
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_istream::get
    basic_istream::peek
    basic_istream::unget
    basic_istream::putback
    basic_istream::getline
    basic_istream::ignore
    basic_istream::read
    basic_istream::readsome
    basic_istream::gcount
    Positionierung
    Original:
    Positioning
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_istream::tellg
    basic_istream::seekg
    Verschiedenes
    Original:
    Miscellaneous
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_istream::sync
    basic_istream::swap(C++11)
    Mitglied Klassen
    Original:
    Member classes
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    basic_istream::sentry
    Non-Member-Funktionen
    Original:
    Non-member functions
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    operator>>(std::basic_istream)
     
    <tbody> </tbody>
    int_type peek();
    Verhält sich wie UnformattedInputFunction. Nach dem Bau und Test der Wache Objekt, liest das nächste Zeichen aus dem Eingabestrom ohne es zu extrahieren .
    Original:
    Behaves as UnformattedInputFunction. After constructing and testing the sentry object, reads the next character from the input stream without extracting it.
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.

    Parameter

    (None)
    Original:
    (none)
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.

    Rückgabewert

    Wenn good() == true, gibt das nächste Zeichen von rdbuf()->sgetc() erhalten
    Original:
    If good() == true, returns the next character as obtained by rdbuf()->sgetc()
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.
    Ansonsten kehrt Traits::eof() .
    Original:
    Otherwise, returns Traits::eof().
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.

    Beispiel

    #include <sstream>
#include <iostream>
int main()
{
    std::istringstream s1("Hello, world.");
    char c1 = s1.peek();
    char c2 = s1.get();
    std::cout << "Peeked: " << c1 << " got: " << c2 << '\n';
}

    Output: 

    Peeked: H got: H

    Siehe auch

    }
    		Extrahiere Zeichen
    (öffentliche Elementfunktion) [edit]
    unextracts ein Zeichen
    Original:
    unextracts a character
    The text has been machine-translated via Google Translate.
    You can help to correct and verify the translation. Click here for instructions.

    (öffentliche Elementfunktion) [edit]