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std::basic_istream::~basic_istream

De cppreference.com
< cpp‎ | io‎ | basic istream

 
 
D'entrée / sortie de bibliothèque
I / O manipulateurs
C-style I / O
Tampons
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf (obsolète)
Cours d'eau
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Streams
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Abstractions
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Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
Fichier E / O
Original:
File I/O
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basic_ifstream
basic_ofstream
basic_fstream
Chaîne I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Tableau I / O
Original:
Array I/O
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istrstream (obsolète)
ostrstream (obsolète)
strstream (obsolète)
Types
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Types
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streamoff
streamsize
fpos
Interface catégorie d'erreur
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Error category interface
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iostream_category (C++11)
io_errc (C++11)
 
std::basic_istream
Les objets globaux
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Global objects
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cin
wcin
Les fonctions membres
Original:
Member functions
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basic_istream::basic_istream
basic_istream::~basic_istream
basic_istream::operator= (C++11)
Entrée formaté
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Formatted input
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basic_istream::operator>>
Entrée non formaté
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Unformatted input
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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
Positionnement
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Positioning
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basic_istream::tellg
basic_istream::seekg
Divers
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Miscellaneous
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basic_istream::sync
basic_istream::swap (C++11)
Classes de membres
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Member classes
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basic_istream::sentry
Tiers fonctions
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Non-member functions
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operator>>(std::basic_istream)
 
virtual ~basic_istream();
Détruit le flux d'entrée .
Original:
Destructs the input stream.
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[modifier] Notes

Ce destructeur n'effectue aucune opération sur le streambuffer sous-jacent (rdbuf()): les destructeurs des flux d'entrée dérivés tels que std::basic_ifstream et std::basic_istringstream sont responsables pour appeler les destructeurs des streambuffers .
Original:
This destructor does not perform any operation on the underlying streambuffer (rdbuf()): the destructors of the derived input streams such as std::basic_ifstream and std::basic_istringstream are responsible for calling the destructors of the streambuffers.
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[modifier] Exemple

#include <sstream>
#include <iostream>
 
void print_stringbuf(std::streambuf* p)
{
    std::istream buf(p); // buf shares the buffer with s1
    int n;
    buf >> n;
    std::cout << n;
} // calls the destructor of buf. p remains unaffected
 
int main()
{
    std::istringstream s1("10 20");
    print_stringbuf(s1.rdbuf());
    int n;
    s1 >> n;
    std::cout << ',' << n << '\n';
}

Résultat :

10,20