Definition at line 355 of file ostream.
| sentry | ( | basic_ostream< _CharT, _Traits > & | __os | ) | [explicit] |
The constructor performs preparatory work.
| os | The output stream to guard. |
is.tie()->flush() is called to synchronize the output sequences.If the stream state is still good, then the sentry state becomes true ("okay").
Definition at line 51 of file ostream.tcc.
References ios_base::failbit, basic_ios::good(), basic_ios::setstate(), and basic_ios::tie().
| ~sentry | ( | ) | [inline] |
Possibly flushes the stream.
If ios_base::unitbuf is set in os.flags(), and std::uncaught_exception() is true, the sentry destructor calls flush() on the output stream.
Definition at line 383 of file ostream.
References ios_base::badbit, std::uncaught_exception(), and ios_base::unitbuf.
| operator bool | ( | ) | const [inline] |
1.5.1