std::experimental::ranges::reference_t, std::experimental::ranges::rvalue_reference_t, std::experimental::ranges::
From cppreference.com
< cpp | experimental | ranges
Defined in header <experimental/ranges/iterator>
|
||
template
<
class T >
concept bool /*dereferenceable*/ = requires(T& t) { { *t} - > auto && ; } ; |
(exposition only*) | |
template
<
/*dereferenceable*/ T >
using reference_t = decltype( *declval<T& > ( ) ) ; |
(1) | (ranges TS) |
template
<
/*dereferenceable*/ T >
requires requires(T& t)
{
{
ranges::iter_move
(t)
}
-
>
auto
&&
;
}
|
(2) | (ranges TS) |
template
< Readable T >
using iter_common_reference_t =
ranges::common_reference_t
<ranges::
reference_t
<T>, |
(3) | (ranges TS) |
1) Obtain the reference type of a dereferenceable type
T
.
2) Obtain the rvalue reference type of a dereferenceable type
T
, that is, the return type of ranges::iter_move
3) Compute a
Readable
type's common reference type
Notes
The -> auto&& constraint checks that the type of the expression is not void