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

NAME
       std::experimental::optional::operatorbool    -	std::experimental::op-
       tional::operatorbool

Synopsis
	  constexpr explicit operator bool() const noexcept;  (library	funda-
       mentals TS)

	  Checks whether *this contains	a value.

Parameters
	  (none)

Return value
	  true	if  *this  contains a value, false if *this does not contain a
       value.

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

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