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std::ranges::enumerate_view<V>::begin

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.

1) Equivalent to return /*iterator*/<false>(ranges::begin(base_), 0);.
2) Equivalent to return /*iterator*/<true>(ranges::begin(base_), 0);.

Parameters

(none).

Return value

Iterator to the first element.

Example

See also

(C++23)
returns an iterator or a sentinel to the end
(public member function)
(C++20)
returns an iterator to the beginning of a range
(customization point object)

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