std::ranges::lazy_split_view<V,Pattern>::begin
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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) 
requires ranges::forward_range <V> && ranges::forward_range <const V>;
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_)};.
[edit] Return value
outer_iterator to the first element.
[edit] Example
 This section is incomplete
Reason: no example
Reason: no example