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std::future_category(3)	      C++ Standard Libary      std::future_category(3)

NAME
       std::future_category - std::future_category

Synopsis
	  Defined in header <future>
	  const	  std::error_category&	 future_category()  noexcept;	(since
       C++11)

	  Obtains a reference to the static error category object for the  er-
       rors related to
	  futures and promises.	The object is required to override the virtual
       function
	  error_category::name()  to  return a pointer to the string "future".
       It is used to
	  identify error codes provided	in the	exceptions  of	type  std::fu-
       ture_error.

Parameters
	  (none)

Return value
	  A  reference	to  the	static object of unspecified runtime type, de-
       rived from
	  std::error_category.

Example
	   This	section	is incomplete
	   Reason: no example

See also
	  future_errc	 identifies the	future error codes
	  (C++11)	 (enum)
	  future_error	 reports an error related to futures or	promises
	  (C++11)	 (class)
	  error_category base class for	error categories
	  (C++11)	 (class)

http://cppreference.com		  2022.07.31	       std::future_category(3)

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