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# std::error_code::category

From cppreference.com
< cpp‎ | error‎ | error code

const std::error_category& category() const; |  | (since C++11)

Returns the error category of the error value.

### [edit] Parameters

(none)

### [edit] Return value

The error category of the error value.

### [edit] Exceptions

`noexcept` specification:
noexcept

### [edit] See also

value | obtains the value of the error_code (public member function) [edit]

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Category:

- unconditionally noexcept