| I/O manipulators | ||||
| Print functions(C++23) | ||||
| C-style I/O | ||||
| Buffers | ||||
(C++23) | ||||
(C++98/26*) | ||||
(C++20) | ||||
| Streams | ||||
| Abstractions | ||||
| File I/O | ||||
| String I/O | ||||
| Array I/O | ||||
(C++23) | ||||
(C++23) | ||||
(C++23) | ||||
(C++98/26*) | ||||
(C++98/26*) | ||||
(C++98/26*) | ||||
| Synchronized Output | ||||
(C++20) | ||||
| Types | ||||
| Error category interface | ||||
(C++11) | ||||
(C++11) |
| Member functions | ||||
| State functions | ||||
basic_ios::setstate | ||||
| Formatting | ||||
| Miscellaneous | ||||
| Protected member functions | ||||
(C++11) | ||||
(C++11) | ||||
(C++11) |
void setstate( iostate state); | ||
Sets the stream error flagsstate in addition to currently set flags. Essentially callsclear(rdstate()| state). May throw an exception.
Contents |
| state | - | stream error state flags to set. It can be a combination of the following constants:
|
(none)
#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 failnow stream is failand stream is not good
| returns state flags (public member function)[edit] | |
| modifies state flags (public member function)[edit] |
