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    std::basic_ostream::flush

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    <metanoindex/>

     
    C++
     
    D'entrée / sortie de bibliothèque
    I / O manipulateurs
    C-style I / O
    Tampons
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf (obsolète)
    Cours d'eau
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    Streams
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    Abstractions
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    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    Fichier E / O
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    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    Chaîne I / O
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    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Tableau I / O
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    Array I/O
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    istrstream (obsolète)
    ostrstream (obsolète)
    strstream (obsolète)
    Types
    Original:
    Types
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    streamoff
    streamsize
    fpos
    Interface catégorie d'erreur
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    Error category interface
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    iostream_category (C++11)
    io_errc (C++11)
     
    std::basic_ostream
    Les objets globaux
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    Global objects
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    Les fonctions membres
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    Member functions
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    basic_ostream::basic_ostream
    basic_ostream::~basic_ostream
    basic_ostream::operator= (C++11)
    Entrée formaté
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    Formatted input
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    basic_ostream::operator<<
    Entrée non formaté
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    Unformatted input
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    basic_ostream::put
    basic_ostream::write
    Positionnement
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    Positioning
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    basic_ostream::tellp
    basic_ostream::seekp
    Divers
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    Miscellaneous
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    basic_ostream::flush
    basic_ostream::swap (C++11)
    Classes de membres
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    Member classes
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    basic_ostream::sentry
    Tiers fonctions
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    Non-member functions
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    operator<<(std::basic_ostream)
     
    <tbody> </tbody>
    basic_ostream& flush();
    Écrit les modifications non validées à la séquence de sortie sous-jacente .
    Original:
    Writes uncommitted changes to the underlying output sequence.
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    Si rdbuf () est un pointeur NULL, ne fait rien
    Original:
    If rdbuf() is a null pointer, does nothing
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    Sinon, construit un objet sentry qui vérifie le flux d'erreurs et les couleurs de la cravate () 'flux de sortie d. Si l'objet sentinelle retourne false, ne (depuis C++11) rien
    Original:
    Otherwise, constructs a sentry object which checks the stream for errors and flushes the tie()'d output streams. If the sentry object returns false, does nothing (depuis C++11)
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    Dans le cas contraire, les appels rdbuf()->pubsync(). Si les retours d'appels -1, appelle setstate(badbit) .
    Original:
    Otherwise, calls rdbuf()->pubsync(). If the call returns -1, calls setstate(badbit).
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    Paramètres

    (Aucun)
    Original:
    (none)
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    Retourne la valeur

    *this

    Exceptions

    Peut générer std::ios_base::failure si exceptions()&badbit!=0 .
    Original:
    May throw std::ios_base::failure if exceptions()&badbit!=0.
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    Exemple

    #include <thread>
#include <iostream>
#include <chrono>
void f()
{
    std::cout << "Output from thread...";
    std::this_thread::sleep_for(std::chrono::seconds(2));
    std::cout << "...thread calls flush()\n";
    std::cout.flush();
}

int main()
{
    std::thread t1(f);
    std::this_thread::sleep_for(std::chrono::seconds(1));
    std::clog << "Output from main\n";
    t1.join();
}

    Résultat : 

    Output from main
Output from thread.....thread calls flush()

    Voir aussi
    synchronise avec le dispositif de stockage sous-jacent
    Original:
    synchronizes with the underlying storage device
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    (fonction membre publique de std::basic_istream) [edit]
    vide le flux de sortie
    Original:
    flushes the output stream
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    (fonction générique)
    sorties '\n' et vide le flux de sortie
    Original:
    outputs '\n' and flushes the output stream
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    (fonction générique)