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Move <optional> into include/experimental, and into the std::experimental namespace, since it's not part of C++14, but of an upcoming TS

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@194867 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2013-11-15 22:42:10 +00:00
parent ec5714f27a
commit 0cdbe60481
59 changed files with 523 additions and 409 deletions
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20
test/utilities/optional/optional.object/optional.object.ctor/nullopt_t.pass.cpp
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@@ -11,18 +11,22 @@
// constexpr optional(nullopt_t) noexcept;
#include <optional>
#include <experimental/optional>
#include <type_traits>
#include <cassert>
#if _LIBCPP_STD_VER > 11
using std::experimental::optional;
using std::experimental::nullopt_t;
using std::experimental::nullopt;
template <class Opt>
void
test_constexpr()
{
static_assert(noexcept(Opt(std::nullopt)), "");
constexpr Opt opt(std::nullopt);
static_assert(noexcept(Opt(nullopt)), "");
constexpr Opt opt(nullopt);
static_assert(static_cast<bool>(opt) == false, "");
struct test_constexpr_ctor
@@ -36,8 +40,8 @@ template <class Opt>
void
test()
{
static_assert(noexcept(Opt(std::nullopt)), "");
Opt opt(std::nullopt);
static_assert(noexcept(Opt(nullopt)), "");
Opt opt(nullopt);
assert(static_cast<bool>(opt) == false);
struct test_constexpr_ctor
@@ -57,8 +61,8 @@ struct X
int main()
{
#if _LIBCPP_STD_VER > 11
test_constexpr<std::optional<int>>();
test_constexpr<std::optional<int*>>();
test<std::optional<X>>();
test_constexpr<optional<int>>();
test_constexpr<optional<int*>>();
test<optional<X>>();
#endif // _LIBCPP_STD_VER > 11
}