Namespace
Varianti

std::basic_ios::narrow

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< cpp‎ | io‎ | basic ios

 
 
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
Original:
Array I/O
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istrstream(deprecato)
ostrstream(deprecato)
strstream(deprecato)
Tipi
Original:
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_ios
Membri funzioni
Original:
Member functions
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basic_ios::basic_ios
basic_ios::~basic_ios
Le funzioni dello Stato
Original:
State functions
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basic_ios::good
basic_ios::eof
basic_ios::fail
basic_ios::bad
basic_ios::operator!
basic_ios::operator bool
basic_ios::rdstate
basic_ios::setstate
basic_ios::clear
Formattazione
Original:
Formatting
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basic_ios::copyfmt
basic_ios::fill
Varie
Original:
Miscellaneous
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basic_ios::exceptions
basic_ios::imbue
basic_ios::rdbuf
basic_ios::tie
basic_ios::narrow
basic_ios::widen
Protetto funzioni membro
Original:
Protected member functions
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basic_ios::init
basic_ios::move
basic_ios::swap
basic_ios::set_rdbuf
 
char narrow( char_type c, char dfault ) const;
Converte una corrente specifica delle impostazioni locali c carattere situato a norma equivalente. Il risultato viene convertito da char_type a char se necessario. Se la conversione non può essere eseguita, la funzione restituisce dfault.
Original:
Converts a current locale-specific character c to its standard equivalent. The result is converted from char_type to char if needed. If no conversion can be performed, the function returns dfault.
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Chiama efficacemente std::use_facet< std::ctype<char_type> >(getloc()).narrow(c, dfault);.
Original:
Effectively calls std::use_facet< std::ctype<char_type> >(getloc()).narrow(c, dfault);.
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[modifica] Parametri

c -
carattere da convertire
Original:
character to convert
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dfault -
carattere da restituire se la conversione non è riuscita
Original:
character to return if the conversion was unsuccessful
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[modifica] Valore di ritorno

Carattere convertito nel suo equivalente standard e poi a char. dfault viene restituito se la conversione non riesce.
Original:
Character converted to its standard equivalent and then to char. dfault is returned if the conversion fails.
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[modifica] Vedi anche

widens characters
(membro pubblico funzione) [edit]