Namespace
Varianti

std::setiosflags

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< cpp‎ | io‎ | manip

 
 
Ingresso / libreria di output
I / O manipolatori
C-style I / O
Buffer
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Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(deprecato)
Streams
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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
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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(deprecato)
ostrstream(deprecato)
strstream(deprecato)
Tipi
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Types
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streamoff
streamsize
fpos
Errore categoria interfaccia
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Error category interface
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iostream_category(C++11)
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Ingresso / uscita manipolatori
Virgola mobile formattazione
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Floating-point formatting
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Formattazione Integer
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Integer formatting
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Formattazione Boolean
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Boolean formatting
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boolalpha
noboolalpha
Larghezza del campo e il controllo di riempimento
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Field width and fill control
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Di formattazione
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Other formatting
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Elaborazione degli spazi vuoti
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Whitespace processing
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Uscita di lavaggio
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Output flushing
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Flag di stato manipolazione
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Status flags manipulation
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setiosflags
Tempo e denaro 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)
 
Defined in header <iomanip>
/*unspecified*/ setiosflags( std::ios_base::fmt_flags mask );

When used in an expression out << setiosflags(mask) or in >> setiosflags(mask), sets all format flags of the stream out or in as specified by the mask.

Indice

[modifica] Parametri

mask - bitmask of the flags to set

[modifica] Valore di ritorno

Restituisce un oggetto di tipo non specificato tale che se str è il nome di un flusso di output di tipo std::basic_ostream<CharT, Traits> o std::basic_istream<CharT, Traits>, allora l'espressione str << setiosflags(mask) str >> setiosflags(mask) o si comporta come se il codice riportato di seguito è stato eseguito:
Original:
Returns an object of unspecified type such that if str is the name of an output stream of type std::basic_ostream<CharT, Traits> or std::basic_istream<CharT, Traits>, then the expression str << setiosflags(mask) or str >> setiosflags(mask) behaves as if the following code was executed:
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str.setf(mask);

[modifica] Esempio

#include <iostream>
#include <iomanip>
int main()
{
    std::cout <<  std::resetiosflags(std::ios_base::dec) 
              <<  std::setiosflags(  std::ios_base::hex
                                   | std::ios_base::uppercase
                                   | std::ios_base::showbase) << 42 << '\n';
}

Output:

0X2A

[modifica] Vedi anche

imposta flag specifico formato
Original:
sets specific format flag
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(membro pubblico of std::ios_base funzione) [edit]
cancella le bandiere ios_base specificati
Original:
clears the specified ios_base flags
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(funzione) [edit]