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std::basic_istream::~basic_istream

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

 
 
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_istream
Gli oggetti globali
Original:
Global objects
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cin
wcin
Membri funzioni
Original:
Member functions
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basic_istream::basic_istream
basic_istream::~basic_istream
basic_istream::operator=(C++11)
Ingresso formattato
Original:
Formatted input
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basic_istream::operator>>
Ingresso non formattato
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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
Posizionamento
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Positioning
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basic_istream::tellg
basic_istream::seekg
Varie
Original:
Miscellaneous
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basic_istream::sync
basic_istream::swap(C++11)
Membri classi
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Member classes
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basic_istream::sentry
Non membri funzioni
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Non-member functions
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operator>>(std::basic_istream)
 
virtual ~basic_istream();
Distrugge il flusso di input.
Original:
Destructs the input stream.
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[modifica] Note

Questo distruttore non si esegue alcuna operazione sul streambuffer sottostante (rdbuf()): i distruttori dei flussi di input derivati ​​come std::basic_ifstream e std::basic_istringstream sono responsabili per chiamare i distruttori delle 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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[modifica] Esempio

#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';
}

Output:

10,20