|  | 
Base class for all error categories.
class error_category : noncopyable
| Name | Description | 
|---|---|
| Returns a string describing the error denoted by value. | |
| Returns a string naming the error gategory. | |
| Inequality operator to compare two error categories. | |
| Equality operator to compare two error categories. | |
| ~error_category [destructor] | Destructor. | 
        Header: asio/error_code.hpp
      
        Convenience header: asio.hpp