std::ranges::join_with_view<V,Pattern>::begin
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< cpp | ranges | join with view
| constexpr auto begin(); |
(1) | (since C++23) |
| constexpr auto begin() const requires ranges::forward_range<const V> && |
(2) | (since C++23) |
Returns an iterator to the beginning of the join_with_view.
1) Returns a mutable iterator or const iterator.
- If
Vmodelsforward_range, equivalent to constexpr bool use_const =simple-view<V> && std::is_reference_v<InnerRng> &&simple-view<Pattern>;
returniterator<use_const>{*this, ranges::begin(base_)};. - Otherwise, equivalent to
outer_it_= ranges::begin(base_);
returniterator<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_)}.Example
| This section is incomplete Reason: no example |
See also
| returns an iterator or a sentinel to the end (public member function) | |
| (C++20) |
returns an iterator to the beginning of a range (customization point object) |