std::ranges::range_reference_t, std::ranges::range_const_reference_t, std::ranges::range_rvalue_reference_t, std::ranges::range_common_reference_t
Min standard notice:
Header: <ranges>
- Used to obtain the reference type of the iterator type of range type R.
# Declarations
template< ranges::range R >
using range_reference_t = std::iter_reference_t<ranges::iterator_t<R>>;
(since C++20)
template< ranges::range R >
using range_const_reference_t =
std::iter_const_reference_t<ranges::iterator_t<R>>;
(since C++23)
template< ranges::range R >
using range_rvalue_reference_t =
std::iter_rvalue_reference_t<ranges::iterator_t<R>>;
(since C++20)
template< ranges::range R >
using range_common_reference_t =
std::iter_common_reference_t<ranges::iterator_t<R>>;
(since C++20)
# Defect reports
| DR | Applied to | Behavior as published | Correct behavior |
|---|---|---|---|
| LWG 3860 | C++20 | range_common_reference_t was missing | added |