diff options
Diffstat (limited to 'libcxx/include/experimental/optional')
-rw-r--r-- | libcxx/include/experimental/optional | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/libcxx/include/experimental/optional b/libcxx/include/experimental/optional index d68cefdf6c1..6eb4a2618d2 100644 --- a/libcxx/include/experimental/optional +++ b/libcxx/include/experimental/optional @@ -7,5 +7,15 @@ // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// +#ifndef _LIBCPP_EXPERIMENTAL_OPTIONAL +#define _LIBCPP_EXPERIMENTAL_OPTIONAL -#error "<experimental/optional> has been removed. Use <optional> instead." +#include <__config> + +#ifdef _LIBCPP_WARNING +_LIBCPP_WARNING("<experimental/optional> has been removed. Use <optional> instead.") +#else +# warning "<experimental/optional> has been removed. Use <optional> instead." +#endif + +#endif // _LIBCPP_EXPERIMENTAL_OPTIONAL |