std::ranges::join_with_view<V,Pattern>::begin

constexpr auto begin();

(1)

(since C++23)

constexpr auto begin() const
    requires ranges::forward_range<const V> &&
             ranges::forward_range<const Pattern> &&
             std::is_reference_v<ranges::range_reference_t<const V>> &&
             ranges::input_range<ranges::range_reference_t<const V>> &&
             /*concatable*/<ranges::range_reference_t<const V>,
                            const Pattern>;

(2)

(since C++23)

Returns an iterator to the beginning of the join_with_view.

1) Returns a mutable iterator or const iterator.

If V models forward_range, equivalent to constexprbooluse_const= simple-view <V>&&std::is_reference_v<InnerRng >&& simple-view <Pattern>; return iterator <use_const>{*this,ranges::begin(base_)};.
Otherwise, equivalent to outer_it_ =ranges::begin(base_); return iterator <false>{*this};.

2) Returns a const iterator.

For the definition of concatable, see std::ranges::concat_view.

Return value

1) As described above.

2) iterator <true>{*this,ranges::begin(base_)}.

end	returns an iterator or a sentinel to the end (public member function)
ranges::begin (C++20)	returns an iterator to the beginning of a range (customization point object)

std::ranges::join_with_view<V,Pattern>::begin

Return value

Example

See also