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

@@ -12,24 +12,22 @@
// class bad_optional_access;
// bad_optional_access& operator=(const bad_optional_access&);
#include <optional>
#include <experimental/optional>
#include <string>
#include <cstring>
#include <type_traits>
#include <cassert>
#if _LIBCPP_STD_VER > 11
#endif // _LIBCPP_STD_VER > 11
int main()
{
#if _LIBCPP_STD_VER > 11
static_assert(std::is_nothrow_copy_assignable<std::bad_optional_access>::value, "");
using std::experimental::bad_optional_access;
static_assert(std::is_nothrow_copy_assignable<bad_optional_access>::value, "");
const std::string s1("one message");
const std::string s2("another message");
std::bad_optional_access e1(s1);
std::bad_optional_access e2(s2);
bad_optional_access e1(s1);
bad_optional_access e2(s2);
assert(std::strcmp(e1.what(), e2.what()) != 0);
e1 = e2;
assert(std::strcmp(e1.what(), e2.what()) == 0);