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std::ranges::join_with_view::begin(3) C++ Standard Libary std::ranges::join_with_view::begin(3)

NAME

std::ranges::join_with_view::begin - std::ranges::join_with_view::begin

Synopsis


constexpr auto begin(); (1) (since
C++23)
constexpr auto begin() const


requires ranges::input_range<const V> && (2) (since
ranges::forward_range<const Pattern> && C++23)


std::is_reference_v<ranges::range_reference_t<const V>>;


Returns an iterator to the first element of the join_with_view.


Let base_ denote the underlying view:


1) Equivalent to return /*iterator*/<true>{*this, ranges::begin(base_)}; if V and
Pattern each model __SimpleView and ranges::range_reference_t<V> is a reference
type; otherwise equivalent to return /*iterator*/<false>{*this,
ranges::begin(base_)};.
2) Equivalent to return /*iterator*/<true>{*this, ranges::begin(base_)};.

Parameters


(none)

Return value


An iterator to the first element of the join_with_view, as described above.

Example


This section is incomplete
Reason: no example

See also


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

Category:


* Todo no example

2024.06.10 http://cppreference.com