std::ranges::lazy_split_view<V,Pattern>:: begin
From cppreference.net
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cpp
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ranges
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lazy split view
C++
Ranges library
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constexpr
auto
begin
(
)
;
|
(1) | (since C++20) |
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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_
be the underlying caching object (may not be present).
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
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This section is incomplete
Reason: no example |
See also
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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) |