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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