std::ranges::elements_view<V,F>::iterator<Const>::base
constexpr const ranges::iterator_t<Base>& base() const & noexcept; |
(1) | (since C++20) |
constexpr ranges::iterator_t<Base> base() &&; |
(2) | (since C++20) |
Returns the underlying iterator.
1) Returns a reference to the underlying iterator.
2) Move constructs the result from the underlying iterator.
Parameters
(none).
Return value
1) A reference to the underlying iterator.
1) An iterator move constructed from the underlying iterator.
Example
Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
| DR | Applied to | Behavior as published | Correct behavior |
|---|---|---|---|
| LWG 3533 | C++20 | the const& overload of base returns a copy of the underlying iterator |
returns a reference |
| LWG 3593 | C++20 | the const& overload of base might not be noexcept |
made noexcept |
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/w/cpp/ranges/elements_view/iterator/base
