std::error_code::category
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                    < cpp | error | error code
                    
                                                            
                    | const std::error_category& category() const; | (since C++11) | |
Returns the error category of the error value.
| Contents | 
[edit] Parameters
(none)
[edit] Return value
The error category of the error value.
[edit] Exceptions
noexcept specification:  
noexcept
  [edit] See also
| obtains the value of the error_code (public member function) | 


