std::ranges::transform_view<V,F>::begin
constexpr /*iterator*/<false> begin(); |
(1) | (since C++20) |
constexpr /*iterator*/<true> begin() const
requires ranges::range<const V> &&
std::regular_invocable<const F&, ranges::range_reference_t<const V>>; |
(2) | (since C++20) |
Returns an iterator to the first element of the transform_view.
1) Equivalent to
return /*iterator*/<false>{*this, ranges::begin(base_)};, where
base_ is the underlying view.
2) Equivalent to
return /*iterator*/<true>{*this, ranges::begin(base_)};, where
base_ is the underlying view.
Parameters
(none).
Return value
Iterator to the first element.
Example
See also
|
(C++20)
|
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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