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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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25
test/utilities/optional/optional.hash/hash.pass.cpp
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@@ -11,38 +11,37 @@
// template <class T> struct hash<optional<T>>;
#include <optional>
#include <experimental/optional>
#include <string>
#include <memory>
#include <cassert>
#if _LIBCPP_STD_VER > 11
#endif // _LIBCPP_STD_VER > 11
int main()
{
#if _LIBCPP_STD_VER > 11
using std::experimental::optional;
{
typedef int T;
std::optional<T> opt;
assert(std::hash<std::optional<T>>{}(opt) == 0);
optional<T> opt;
assert(std::hash<optional<T>>{}(opt) == 0);
opt = 2;
assert(std::hash<std::optional<T>>{}(opt) == std::hash<T>{}(*opt));
assert(std::hash<optional<T>>{}(opt) == std::hash<T>{}(*opt));
}
{
typedef std::string T;
std::optional<T> opt;
assert(std::hash<std::optional<T>>{}(opt) == 0);
optional<T> opt;
assert(std::hash<optional<T>>{}(opt) == 0);
opt = std::string("123");
assert(std::hash<std::optional<T>>{}(opt) == std::hash<T>{}(*opt));
assert(std::hash<optional<T>>{}(opt) == std::hash<T>{}(*opt));
}
{
typedef std::unique_ptr<int> T;
std::optional<T> opt;
assert(std::hash<std::optional<T>>{}(opt) == 0);
optional<T> opt;
assert(std::hash<optional<T>>{}(opt) == 0);
opt = std::unique_ptr<int>(new int(3));
assert(std::hash<std::optional<T>>{}(opt) == std::hash<T>{}(*opt));
assert(std::hash<optional<T>>{}(opt) == std::hash<T>{}(*opt));
}
#endif // _LIBCPP_STD_VER > 11
}