constexpr auto begin() requires (!__SimpleView<V>); | (1) | (since C++20) |
constexpr auto begin() const requires ranges::range<const V>; | (2) | (since C++20) |
Returns an iterator to the first element of the elements_view.
Let base_ be the underlying view.
return /*iterator*/<false>(ranges::begin(base_));.return /*iterator*/<true>(ranges::begin(base_));.(none).
Iterator to the first element.
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(C++20) | returns an iterator or a sentinel to the end (public member function) |
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(C++20) | returns an iterator to the beginning of a range (customization point object) |
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