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std::ranges...ange::begin(3)   C++ Standard Libary  std::ranges...ange::begin(3)

NAME
     std::ranges::subrange::begin - std::ranges::subrange::begin

Synopsis
	constexpr  I  begin()  const  requires	std::copyable<I>;	     (1)
     (since C++20)
	[[nodiscard]] constexpr  I  begin()  requires  (!std::copyable<I>);  (2)
     (since C++20)

	Obtains  the  iterator	to the first element of the subrange, or the end
     iterator if
	the view is empty.

	range-begin-end.svg

	1) Returns a copy of the stored iterator if the iterator type  is  copy-
     able.
	2)  Returns an iterator move-constructed from the stored iterator if the
     iterator
	type is not copyable.

Parameters
	(none)

Return value
	1) An iterator copy-constructed from the stored iterator.
	2) An iterator move-constructed from the stored iterator.

Notes
	A call to (2) may leave the stored iterator in a valid	but  unspecified
     state,
	depending on the behavior of the move constructor of I.

Example
	 This section is incomplete
	 Reason: no example

See also
	end	      obtains the sentinel
	(C++20)       (public member function)
	begin
	cbegin	      returns an iterator to the beginning of a container or ar-
     ray
	(C++11)       (function template)
	(C++14)
	ranges::begin returns an iterator to the beginning of a range
	(C++20)       (customization point object)

Category:
	  * Todo no example

http://cppreference.com 	   2024.06.10	    std::ranges...ange::begin(3)
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