std::basic_ios<CharT,Traits>::exceptions
From cppreference.com
|
std::ios_base::iostate exceptions(
)
const
;
|
(1) | |
|
void exceptions(
std::ios_base::iostate except )
;
|
(2) | |
Gets and sets the exception mask of the stream. The exception mask determines which error states trigger exceptions of type failure.
1) Returns the exception mask.
2) Sets the exception mask to except
Parameters
| except | - | exception mask |
Return value
1) The current exception mask.
2) (none)
Notes
| This section is incomplete Reason: discuss LWG2349 stackoverflow.com/a/35089910 |
Example
Run this code
#include <fstream> #include <iostream> int main() { int ivalue; try { std::ifstream in("in.txt"); in.exceptions(std::ifstream::failbit); // may throw in >> ivalue; // may throw } catch (const std::ios_base::failure& fail) { // handle exception here std::cout << fail.what() << '\n'; } }
Possible output:
basic_ios::clear: iostream error