void setstate( iostate state ); |
Sets the stream error flags state
in addition to currently set flags. Essentially calls clear(rdstate() | state)
. May throw an exception.
Parameters
state | - | stream error state flags to set. It can be a combination of the following constants:
|
Return value
(none).
Example
#include <iostream> #include <sstream> int main() { std::ostringstream stream; if (!stream.fail()) { std::cout << "stream is not fail\n"; } stream.setstate(std::ios_base::failbit); if (stream.fail()) { std::cout << "now stream is fail\n"; } if (!stream.good()) { std::cout << "and stream is not good\n"; } }
Output:
stream is not fail now stream is fail and stream is not good
See also
returns state flags (public member function) | |
clears error and eof flags (public member function) |
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