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std::error_code::category(3)   C++ Standard Libary  std::error_code::category(3)

NAME
     std::error_code::category - std::error_code::category

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

	Returns the error category of the error code.

Parameters
	(none)

Return value
	The error category of the error code.

See also
	value obtains the value of the error_code
	      (public member function)

http://cppreference.com 	   2024.06.10	    std::error_code::category(3)

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