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std::error_...operatorbool(3) C++ Standard Libarystd::error_...operatorbool(3)

NAME
       std::error_code::operatorbool - std::error_code::operatorbool

Synopsis
	  explicit operator bool() const noexcept;  (since C++11)

	  Checks if the	error value is valid, i.e. non-zero.

Parameters
	  (none)

Return value
	  false	if value() == 0, true otherwise.

http://cppreference.com		  2022.07.31	 std::error_...operatorbool(3)

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