#include <algorithm>
#include <span>
#include <utility>
+#include <vector>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
constexpr bool
test02()
{
- std::same_as<ranges::empty_view<const int>> auto v1
- = views::empty<int> | views::as_const;
-
int x[] = {1, 2, 3};
- std::same_as<ranges::as_const_view<ranges::ref_view<int[3]>>> auto v2
- = x | views::as_const;
- std::same_as<ranges::ref_view<const int[3]>> auto v3
- = std::as_const(x) | views::as_const;
- std::same_as<ranges::ref_view<const int[3]>> auto v4
- = std::as_const(x) | views::all | views::as_const;
- std::same_as<std::span<const int>> auto v5
- = std::span{x, x+3} | views::as_const;
-
- std::same_as<ranges::as_const_view<ranges::chunk_view<ranges::ref_view<int[3]>>>> auto v6
- = x | views::chunk(2) | views::as_const;
+ std::same_as<ranges::empty_view<const int>>
+ auto v1 = views::empty<int> | views::as_const;
+ std::same_as<ranges::ref_view<const int[3]>>
+ auto v2 = x | views::as_const;
+ std::same_as<ranges::ref_view<const int[3]>>
+ auto v3 = std::as_const(x) | views::as_const;
+ std::same_as<ranges::ref_view<const int[3]>>
+ auto v4 = std::as_const(x) | views::all | views::as_const;
+ std::same_as<std::span<const int>>
+ auto v5 = std::span{x, x+3} | views::as_const;
+ std::same_as<ranges::as_const_view<ranges::chunk_view<ranges::ref_view<int[3]>>>>
+ auto v6 = x | views::chunk(2) | views::as_const;
VERIFY( v6.size() == 2 );
return true;
}
+void
+test03()
+{
+ // PR libstdc++/109525
+ std::vector<int> v;
+ std::same_as<ranges::ref_view<const std::vector<int>>>
+ auto r = views::as_const(v);
+}
+
int
main()
{
static_assert(test01());
static_assert(test02());
+ test03();
}