Namespace
Varianti

std::resetiosflags

Da cppreference.com.
< cpp‎ | io‎ | manip

 
 
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Ingresso / uscita manipolatori
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Status flags manipulation
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resetiosflags
Tempo e denaro I / O
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Defined in header <iomanip>
/*unspecified*/ resetiosflags( std::ios_base::fmt_flags mask );
Quando viene utilizzato in un'espressione out << resetiosflags(mask) o in >> resetiosflags(mask), cancella tutte le bandiere di formato del flusso out in o come specificato dal mask.
Original:
When used in an expression out << resetiosflags(mask) or in >> resetiosflags(mask), clears all format flags of the stream out or in as specified by the mask.
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Indice

[modifica] Parametri

mask -
maschera di bit delle bandiere per cancellare
Original:
bitmask of the flags to clear
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[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 << resetiosflags(mask) str >> resetiosflags(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 << resetiosflags(mask) or str >> resetiosflags(mask) behaves as if the following code was executed:
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str.setf(std::ios_base::fmtflags(0), mask);

[modifica] Esempio

#include <sstream>
#include <iostream>
#include <iomanip>
int main()
{
    std::istringstream in("10 010 10 010 10 010");
    int n1, n2;
    in >> std::oct >> n1 >> n2;
    std::cout << "Parsing \"10 010\" with std::oct gives:  " << n1 << ' ' << n2 << '\n';
    in >> std::dec >> n1 >> n2;
    std::cout << "Parsing \"10 010\" with std::dec gives:  " << n1 << ' ' << n2 << '\n';
    in >> std::resetiosflags(std::ios_base::basefield) >> n1 >> n2;
    std::cout << "Parsing \"10 010\" with autodetect gives: " << n1 << ' ' << n2 << '\n';
}

Output:

Parsing "10 010" with std::oct gives:  8 8
Parsing "10 010" with std::dec gives:  10 10
Parsing "10 010" with autodetect gives: 10 8

[modifica] Vedi anche

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