std::ranges::lazy_split_view<V,Pattern>::begin
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< cpp | ranges | lazy split view
C++
Ranges library
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constexpr auto begin(); |
(1) | (since C++20) |
|
constexpr
auto begin(
)
const
requires ranges::forward_range <V> && ranges::forward_range < const V> ; |
(2) | (since C++20) |
Returns an outer_iterator to the first element of the lazy_split_view
Let base_ be the underlying view and current_
1) Equivalent to
constexpr auto begin() { if constexpr (ranges::forward_range<V>) return /*outer_iterator*/</*simple_view*/<V>>{*this, ranges::begin(base_)}; else { current_ = ranges::begin(base_); return /*outer_iterator*/<false>{*this}; } }
2) Equivalent to
return
/*outer_iterator*/
<
true
>
{
*this, ranges::begin
(base_)
}
;
Return value
outer_iterator to the first element.
Example
| This section is incomplete Reason: no example |
See also
| returns an iterator or a sentinel to the end (public member function) |
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(C++20)
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returns an iterator to the beginning of a range (customization point object) |