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std::experi...ng_view::at(3)  C++ Standard Libary std::experi...ng_view::at(3)

NAME
       std::experimental::basic_string_view::at	   -	std::experimental::ba-
       sic_string_view::at

Synopsis
	  constexpr const_reference at(size_type pos) const;  (library	funda-
       mentals TS)

	  Returns  a  reference	 to  the  character at specified location pos.
       Bounds checking is
	  performed, exception of type std::out_of_range will be thrown	on in-
       valid access.

Parameters
	  pos -	position of the	character to return

Return value
	  Reference to the requested character.

Exceptions
	  Throws std::out_of_range if pos >= size().

Complexity
	  Constant.

See also
	  operator[] access specified character
		     (public member function)

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

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