std::resetiosflags

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resetiosflags
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Elemento definito nell'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 outin 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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(metodo pubblico)[modifica]
imposta i flag ios_base specificati
Original:
sets the specified ios_base flags
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(funzione)[modifica]
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