constexpr auto begin() requires (!__SimpleView<V>); | (1) | (since C++23) |
constexpr auto begin() const requires /*range-with-movable-references*/<const V>; | (2) | (since C++23) |
Returns an iterator to the first element of the enumerate_view.
Let base_ denote the underlying view.
return /*iterator*/<false>(ranges::begin(base_), 0);.return /*iterator*/<true>(ranges::begin(base_), 0);.(none).
Iterator to the first element.
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(C++23) | 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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