Namespace
Varianti

std::basic_istream::peek

Da cppreference.com.
< cpp‎ | io‎ | basic istream

 
 
Ingresso / libreria di output
I / O manipolatori
C-style I / O
Buffer
Original:
Buffers
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(deprecato)
Streams
Original:
Streams
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Astrazioni
Original:
Abstractions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I / O
Original:
File I/O
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_ifstream
basic_ofstream
basic_fstream
String I / O
Original:
String I/O
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_istringstream
basic_ostringstream
basic_stringstream
Array I / O
Original:
Array I/O
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
istrstream(deprecato)
ostrstream(deprecato)
strstream(deprecato)
Tipi
Original:
Types
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
streamoff
streamsize
fpos
Errore categoria interfaccia
Original:
Error category interface
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
iostream_category(C++11)
io_errc(C++11)
 
std::basic_istream
Gli oggetti globali
Original:
Global objects
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
cin
wcin
Membri funzioni
Original:
Member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_istream::basic_istream
basic_istream::~basic_istream
basic_istream::operator=(C++11)
Ingresso formattato
Original:
Formatted input
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_istream::operator>>
Ingresso non formattato
Original:
Unformatted input
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_istream::get
basic_istream::peek
basic_istream::unget
basic_istream::putback
basic_istream::getline
basic_istream::ignore
basic_istream::read
basic_istream::readsome
basic_istream::gcount
Posizionamento
Original:
Positioning
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_istream::tellg
basic_istream::seekg
Varie
Original:
Miscellaneous
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_istream::sync
basic_istream::swap(C++11)
Membri classi
Original:
Member classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_istream::sentry
Non membri funzioni
Original:
Non-member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
operator>>(std::basic_istream)
 
int_type peek();
Si comporta come UnformattedInputFunction. Dopo la costruzione e la verifica dell'oggetto sentinella, legge il carattere successivo dal flusso di input senza estrarlo.
Original:
Behaves as UnformattedInputFunction. After constructing and testing the sentry object, reads the next character from the input stream without extracting it.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Indice

[modifica] Parametri

(Nessuno)
Original:
(none)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifica] Valore di ritorno

Se good() == true, restituisce il carattere successivo come ottenuta rdbuf()->sgetc()
Original:
If good() == true, returns the next character as obtained by rdbuf()->sgetc()
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
In caso contrario, restituisce Traits::eof().
Original:
Otherwise, returns Traits::eof().
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifica] Esempio

#include <sstream>
#include <iostream>
int main()
{
    std::istringstream s1("Hello, world.");
    char c1 = s1.peek();
    char c2 = s1.get();
    std::cout << "Peeked: " << c1 << " got: " << c2 << '\n';
}

Output:

Peeked: H got: H

[modifica] Vedi anche

estratti di caratteri
Original:
extracts characters
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(membro pubblico funzione) [edit]
unextracts un carattere
Original:
unextracts a character
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(membro pubblico funzione) [edit]