summaryrefslogtreecommitdiff
path: root/test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp')
-rw-r--r--test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp25
1 files changed, 11 insertions, 14 deletions
diff --git a/test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp b/test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp
index 9b752a665a83..247fce58fe97 100644
--- a/test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp
+++ b/test/std/utilities/optional/optional.nullopt/nullopt_t.pass.cpp
@@ -11,33 +11,30 @@
// <optional>
// struct nullopt_t{see below};
-// constexpr nullopt_t nullopt(unspecified);
+// inline constexpr nullopt_t nullopt(unspecified);
// [optional.nullopt]/2:
-// Type nullopt_t shall not have a default constructor or an initializer-list constructor.
-// It shall not be an aggregate and shall be a literal type.
-// Constant nullopt shall be initialized with an argument of literal type.
+// Type nullopt_t shall not have a default constructor or an initializer-list
+// constructor, and shall not be an aggregate.
#include <optional>
#include <type_traits>
-using std::optional;
using std::nullopt_t;
using std::nullopt;
-constexpr
-int
-test(const nullopt_t&)
+constexpr bool test()
{
- return 3;
+ nullopt_t foo{nullopt};
+ (void)foo;
+ return true;
}
int main()
{
- static_assert(( std::is_class<nullopt_t>::value), "");
- static_assert(( std::is_empty<nullopt_t>::value), "");
- static_assert(( std::is_literal_type<nullopt_t>::value), "");
- static_assert((!std::is_default_constructible<nullopt_t>::value), "");
+ static_assert(std::is_empty_v<nullopt_t>);
+ static_assert(!std::is_default_constructible_v<nullopt_t>);
- static_assert(test(nullopt) == 3, "");
+ static_assert(std::is_same_v<const nullopt_t, decltype(nullopt)>);
+ static_assert(test());
}