Varianti

    std::ios_base::fmtflags

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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
    Original:
    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
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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(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::ios_base
    Membri funzioni
    Original:
    Member functions
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    ios_base::ios_base
    ios_base::~ios_base
    Formattazione
    Original:
    Formatting
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    ios_base::flags
    ios_base::setf
    ios_base::unsetf
    ios_base::precision
    ios_base::width
    Versioni locali
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    Locales
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    ios_base::imbue
    ios_base::getloc
    Interno di matrice estensibile
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    Internal extensible array
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    ios_base::xalloc
    ios_base::iword
    ios_base::pword
    Varie
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    Miscellaneous
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    ios_base::register_callback
    ios_base::sync_with_stdio
    Membri classi
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    Member classes
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    ios_base::failure
    ios_base::Init
    Membri tipi
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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>
    typedef /*implementation defined*/ fmtflags;
    static constexpr fmtflags dec = /*implementation defined*/ static constexpr fmtflags oct = /*implementation defined*/ static constexpr fmtflags hex = /*implementation defined*/ static constexpr fmtflags basefield = /*implementation defined (dec | oct | hex)*/
    static constexpr fmtflags left = /*implementation defined*/ static constexpr fmtflags right = /*implementation defined*/ static constexpr fmtflags internal = /*implementation defined*/ static constexpr fmtflags adjustfield = /*implementation defined (left | right | internal)*/
    static constexpr fmtflags scientific = /*implementation defined*/ static constexpr fmtflags fixed = /*implementation defined*/ static constexpr fmtflags floatfield = /*implementation defined (scientific | fixed)*/
    static constexpr fmtflags boolalpha = /*implementation defined*/ static constexpr fmtflags showbase = /*implementation defined*/ static constexpr fmtflags showpoint = /*implementation defined*/ static constexpr fmtflags showpos = /*implementation defined*/ static constexpr fmtflags skipws = /*implementation defined*/ static constexpr fmtflags unitbut = /*implementation defined*/ static constexpr fmtflags uppercase = /*implementation defined*/
    Specifica i flag di formattazione disponibili. È un BitmaskType, le costanti sono:
    Original:
    Specifies available formatting flags. It is a BitmaskType, the following constants are defined:
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    Constant
    Original:
    Constant
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    		 Explanation
    dec
    utilizzare base decimale per intero I / O
    Original:
    use decimal base for integer I/O
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    oct
    utilizzare ottale base per intero di I / O
    Original:
    use octal base for integer I/O
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    hex
    utilizzare base esadecimale per intero I / O
    Original:
    use hexadecimal base for integer I/O
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    basefield
    dec|oct|hex|0. Utile per mascherare operazioni
    Original:
    dec|oct|hex|0. Useful for masking operations
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    left
    regolazione sinistra (aggiunge caratteri di riempimento a destra)
    Original:
    left adjustment (adds fill characters to the right)
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    right
    giusta regolazione (aggiunge caratteri di riempimento a sinistra)
    Original:
    right adjustment (adds fill characters to the left)
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    internal
    regolazione interna (aggiunge caratteri di riempimento fino al punto interno designato)
    Original:
    internal adjustment (adds fill characters to the internal designated point)
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    adjustfield
    left|right|internal. Utile per mascherare operazioni
    Original:
    left|right|internal. Useful for masking operations
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    scientific
    generare tipi in virgola mobile con la notazione scientifica, o la notazione esadecimale se combinato con fisso
    Original:
    generate floating point types using scientific notation, or hex notation if combined with fixed
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    fixed
    generare tipi in virgola mobile con la notazione fissa, o la notazione esadecimale, se combinata con scientifica
    Original:
    generate floating point types using fixed notation, or hex notation if combined with scientific
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    floatfield
    scientific|fixed|(scientific|fixed)|0. Utile per mascherare operazioni
    Original:
    scientific|fixed|(scientific|fixed)|0. Useful for masking operations
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    boolalpha
    inserire ed estrarre tipo bool in formato alfanumerico
    Original:
    insert and extract bool type in alphanumeric format
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    showbase
    generare un prefisso che indica la base numerica per l'uscita numero intero, richiedono l'indicatore valuta monetaria di I / O
    Original:
    generate a prefix indicating the numeric base for integer output, require the currency indicator in monetary I/O
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    showpoint
    generare un punto decimale carattere incondizionatamente per la virgola mobile il numero di uscita
    Original:
    generate a decimal-point character unconditionally for floating-point number output
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    showpos
    generare un carattere + per non negativo output numerico
    Original:
    generate a + character for non-negative numeric output
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    skipws
    saltare gli spazi iniziali prima di operazioni di input specifici
    Original:
    skip leading whitespace before certain input operations
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    unitbuf
    lavare l'uscita dopo ogni operazione di uscita
    Original:
    flush the output after each output operation
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    uppercase
    sostituire alcune lettere minuscole con le loro uppercase
    equivalents in alcune operazioni di uscita di uscita
    Original:
    replace certain lowercase letters with their uppercase
    equivalents in certain output output operations
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    Esempio

    This section is incomplete
    Reason: no example

    Vedi anche
    gestisce i flag di formato
    Original:
    manages format flags
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    (metodo pubblico) [modifica]
    imposta flag specifico formato
    Original:
    sets specific format flag
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    (metodo pubblico) [modifica]
    		clears specific format flag
    (metodo pubblico) [modifica]
    modifica la base utilizzata per intero di I / O
    Original:
    changes the base used for integer I/O
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    (funzione) [modifica]
    cambia il carattere di riempimento
    Original:
    changes the fill character
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    (funzione di modello) [modifica]


    (C++11)
    (C++11)
    Le modifiche di formattazione utilizzati per floating-point I / O
    Original:
    changes formatting used for floating-point I/O
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    (funzione) [modifica]
    controlla se il prefisso è usato per indicare base numerica
    Original:
    controls whether prefix is used to indicate numeric base
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    (funzione) [modifica]
    passa tra la rappresentazione testuale e numerica di valori booleani
    Original:
    switches between textual and numeric representation of booleans
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    (funzione) [modifica]
    controlla se il segno + utilizzati con numeri non negativi
    Original:
    controls whether the + sign used with non-negative numbers
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    (funzione) [modifica]
    controlla se il punto decimale è sempre inclusi in virgola mobile
    Original:
    controls whether decimal point is always included in floating-point representation
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    (funzione) [modifica]
    controlla se l'uscita viene lavata dopo ogni operazione
    Original:
    controls whether output is flushed after each operation
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    (funzione) [modifica]
    Controlla se spazi bianchi è saltato in ingresso
    Original:
    controls whether leading whitespace is skipped on input
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    (funzione) [modifica]
    		controls whether uppercase characters are used with some output formats
    (funzione) [modifica]