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    std::basic_ostream::put

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    <metanoindex/>

     
    C++
     
    Ingresso / libreria di output
    I / O manipolatori
    C-style I / O
    Buffer
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf(deprecato)
    Streams
    Original:
    Streams
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    Astrazioni
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    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    File I / O
    Original:
    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    String I / O
    Original:
    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(deprecato)
    ostrstream(deprecato)
    strstream(deprecato)
    Tipi
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    Types
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    streamoff
    streamsize
    fpos
    Errore categoria interfaccia
    Original:
    Error category interface
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    iostream_category(C++11)
    io_errc(C++11)
     
    std::basic_ostream
    Gli oggetti globali
    Original:
    Global objects
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    Membri funzioni
    Original:
    Member functions
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    basic_ostream::basic_ostream
    basic_ostream::~basic_ostream
    basic_ostream::operator=(C++11)
    Ingresso formattato
    Original:
    Formatted input
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    basic_ostream::operator<<
    Ingresso non formattato
    Original:
    Unformatted input
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    basic_ostream::put
    basic_ostream::write
    Posizionamento
    Original:
    Positioning
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    basic_ostream::tellp
    basic_ostream::seekp
    Varie
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    Miscellaneous
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    basic_ostream::flush
    basic_ostream::swap(C++11)
    Membri classi
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    Member classes
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    basic_ostream::sentry
    Non membri funzioni
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    Non-member functions
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    operator<<(std::basic_ostream)
     
    <tbody> </tbody>
    basic_ostream& put( char_type ch );
    Scrive ch carattere nel flusso di output.
    Original:
    Writes character ch to the output stream.
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    Questa funzione è una funzione di output non formattato: è avviare l'esecuzione con la costruzione di un oggetto di tipo sentry, che svuota il buffer di uscita tie()'d, se necessario, e controlla gli errori del flusso. Dopo la costruzione, se i rendimenti sentinella oggetto false, la funzione restituisce senza tentare alcun output. Se viene generata un'eccezione durante l'uscita, poi ios :: badbit è impostato (l'eccezione è soppressa a meno exceptions()&badbit) != 0, nel qual caso viene rilanciata)
    Original:
    This function is an unformatted output function: it begin execution by constructing an object of type sentry, which flushes the tie()'d output buffers if necessary and checks the stream errors. After construction, if the sentry object returns false, the function returns without attempting any output. If an exception is thrown during output, then ios::badbit is set (the exception is suppressed unless exceptions()&badbit) != 0, in which case it is rethrown)
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    Parametri

    ch -
    carattere da scrivere
    Original:
    character to write
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    Valore di ritorno

    *this

    Note

    Questa funzione non è sovraccarico per i tipi di signed char o unsigned char, a differenza del
    operatore <<
    Original:
    operator<<
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     formattato
    Original:
    This function is not overloaded for the types signed char or unsigned char, unlike the formatted
    operatore <<
    Original:
    operator<<
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    A differenza delle funzioni di output formattato, questa funzione non viene impostato il failbit se l'uscita non riesce.
    Original:
    Unlike formatted output functions, this function does not set the failbit if the output fails.
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    Esempio

    #include <fstream>
#include <iostream>
int main()
{
    std::cout.put('a'); // normal usage
    std::cout.put('\n');

    std::ofstream s("/does/not/exist/");
    s.clear(); // pretend the stream is good
    std::cout << "Unformatted output: ";
    s.put('c'); // this will set badbit, but not failbit
    std::cout << " fail=" << bool(s.rdstate() & s.failbit);
    std::cout << " bad=" << s.bad() << '\n';
    s.clear();
    std::cout << "Formatted output:   ";
    s << 'c'; // this will set badbit and failbit
    std::cout << " fail=" << bool(s.rdstate() & s.failbit);
    std::cout << " bad=" << s.bad() << '\n';
}

    Output: 

    a
Unformatted output:  fail=0 bad=1
Formatted output:    fail=1 bad=1

    Vedi anche
    inserisce i dati carattere
    Original:
    inserts character data
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    (funzione) [modifica]
    blocchi inserti di caratteri
    Original:
    inserts blocks of characters
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    (metodo pubblico) [modifica]