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std::expected::error(3)        C++ Standard Libary	 std::expected::error(3)

NAME
     std::expected::error - std::expected::error

Synopsis
	constexpr const E& error() const& noexcept;   (1) (since C++23)
	constexpr E& error() & noexcept;	      (2) (since C++23)
	constexpr const E&& error() const&& noexcept; (3) (since C++23)
	constexpr E&& error() && noexcept;	      (4) (since C++23)

	Accesses the unexpected value contained in *this.

	The behavior is undefined if this->has_value() is true.

Parameters
	(none)

Return value
	Reference to the unexpected value contained in *this.

Example
	 This section is incomplete
	 Reason: no example

See also
	operator->    accesses the expected value
	operator*     (public member function)
	value	      returns the expected value
		      (public member function)
	operator bool checks whether the object contains an expected value
	has_value     (public member function)

Category:
	  * Todo no example

http://cppreference.com 	   2024.06.10		 std::expected::error(3)

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