error_category

Base class for all error categories.

class error_category :
  noncopyable

Name	Description
message	Returns a string describing the error denoted by value.
name	Returns a string naming the error gategory.
operator!=	Inequality operator to compare two error categories.
operator==	Equality operator to compare two error categories.
~error_category	Destructor.

Header: asio/error_code.hpp

Convenience header: asio.hpp