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deduction guides for std::ranges::join_with_view

Defined in header <ranges> 
template< class R, class P >
join_with_view( R&&, P&& ) -> join_with_view<views::all_t<R>, views::all_t<P>>;
 (1) (since C++23) 
template< class R >
join_with_view( R&&, ranges::range_value_t<ranges::range_reference_t<R>> )
  -> join_with_view<views::all_t<R>,
                    ranges::single_view<
                        ranges::range_value_t<ranges::range_reference_t<R>>>;
 (2) (since C++23)

These deduction guides are provided for join_with_view to allow deduction from a range and a delimiter.

1) The delimiter is a range of elements.
2) The delimiter is a single element.

Example

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