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

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

View File

@@ -11,12 +11,14 @@
// constexpr optional(const T& v);
#include <optional>
#include <experimental/optional>
#include <type_traits>
#include <cassert>
#if _LIBCPP_STD_VER > 11
using std::experimental::optional;
class X
{
int i_;
@@ -52,12 +54,12 @@ int main()
{
typedef int T;
constexpr T t(5);
constexpr std::optional<T> opt(t);
constexpr optional<T> opt(t);
static_assert(static_cast<bool>(opt) == true, "");
static_assert(*opt == 5, "");
struct test_constexpr_ctor
: public std::optional<T>
: public optional<T>
{
constexpr test_constexpr_ctor(const T&) {}
};
@@ -66,12 +68,12 @@ int main()
{
typedef double T;
constexpr T t(3);
constexpr std::optional<T> opt(t);
constexpr optional<T> opt(t);
static_assert(static_cast<bool>(opt) == true, "");
static_assert(*opt == 3, "");
struct test_constexpr_ctor
: public std::optional<T>
: public optional<T>
{
constexpr test_constexpr_ctor(const T&) {}
};
@@ -80,19 +82,19 @@ int main()
{
typedef X T;
const T t(3);
std::optional<T> opt(t);
optional<T> opt(t);
assert(static_cast<bool>(opt) == true);
assert(*opt == 3);
}
{
typedef Y T;
constexpr T t(3);
constexpr std::optional<T> opt(t);
constexpr optional<T> opt(t);
static_assert(static_cast<bool>(opt) == true, "");
static_assert(*opt == 3, "");
struct test_constexpr_ctor
: public std::optional<T>
: public optional<T>
{
constexpr test_constexpr_ctor(const T&) {}
};
@@ -103,7 +105,7 @@ int main()
try
{
const T t(3);
std::optional<T> opt(t);
optional<T> opt(t);
assert(false);
}
catch (int i)