std::error_category:: error_category

From cppreference.net

constexpr error_category ( ) noexcept ;	(1)	(since C++11)
error_category ( const error_category & ) = delete ;	(2)	(since C++11)

1) Constructs the error category object.

2) Copy constructor is deleted.


        error_category

(none)

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR	Applied to	Behavior as published	Correct behavior
LWG 2145	C++11	`error_category` was not constructible	default constructor added

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Member functions
error_category::error_category
error_category::~error_category
error_category::name
error_category::default_error_condition
error_category::equivalent
error_category::message
error_category::operator== error_category::operator!= error_category::operator< error_category::operator<=> (until C++20) (until C++20) (C++20)