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<fstream>
basic_filebuf
swap
public member function
<fstream>
std::
basic_filebuf
::swap
void swap (basic_filebuf& x);
Swap file buffers
Exchanges the contents and state of
x
and
*this
. This includes the
internal pointers
and the
locale object
.
Parameters
x
Another
basic_filebuf
object of the same type (i.e., instantiated with the same template parameters,
charT
and
traits
).
Return value
none
Data races
Modifies both
basic_filebuf
objects (
*this
and
x
).
Concurrent access to the same
file stream buffer
objects may introduce data races.
Exception safety
Basic guarantee:
if an exception is thrown, the
file stream buffer
is in a valid state.
See also
swap
Exchange values of two objects
(function template )
basic_filebuf::operator=
Move-assignment
(public member function )
C++
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Reference
C library:
<cassert> (assert.h)
<cctype> (ctype.h)
<cerrno> (errno.h)
<cfenv> (fenv.h)
<cfloat> (float.h)
<cinttypes> (inttypes.h)
<ciso646> (iso646.h)
<climits> (limits.h)
<clocale> (locale.h)
<cmath> (math.h)
<csetjmp> (setjmp.h)
<csignal> (signal.h)
<cstdarg> (stdarg.h)
<cstdbool> (stdbool.h)
<cstddef> (stddef.h)
<cstdint> (stdint.h)
<cstdio> (stdio.h)
<cstdlib> (stdlib.h)
<cstring> (string.h)
<ctgmath> (tgmath.h)
<ctime> (time.h)
<cuchar> (uchar.h)
<cwchar> (wchar.h)
<cwctype> (wctype.h)
Containers:
<array>
<deque>
<forward_list>
<list>
<map>
<queue>
<set>
<stack>
<unordered_map>
<unordered_set>
<vector>
Input/Output:
<fstream>
<iomanip>
<ios>
<iosfwd>
<iostream>
<istream>
<ostream>
<sstream>
<streambuf>
Multi-threading:
<atomic>
<condition_variable>
<future>
<mutex>
<thread>
Other:
<algorithm>
<bitset>
<chrono>
<codecvt>
<complex>
<exception>
<functional>
<initializer_list>
<iterator>
<limits>
<locale>
<memory>
<new>
<numeric>
<random>
<ratio>
<regex>
<stdexcept>
<string>
<system_error>
<tuple>
<type_traits>
<typeindex>
<typeinfo>
<utility>
<valarray>
<fstream>
class templates:
basic_filebuf
basic_fstream
basic_ifstream
basic_ofstream
classes:
filebuf
fstream
ifstream
ofstream
wfilebuf
wfstream
wifstream
wofstream
basic_filebuf
basic_filebuf::~basic_filebuf
basic_filebuf::basic_filebuf
public members:
basic_filebuf::close
basic_filebuf::is_open
basic_filebuf::open
basic_filebuf::operator=
basic_filebuf::swap
protected virtual members:
basic_filebuf::imbue
basic_filebuf::overflow
basic_filebuf::pbackfail
basic_filebuf::seekoff
basic_filebuf::seekpos
basic_filebuf::setbuf
basic_filebuf::showmanyc
basic_filebuf::sync
basic_filebuf::uflow
basic_filebuf::underflow
non-member overloads:
swap (basic_filebuf)