2 //===-------------------------- utility ----------------------------------===//
4 // The LLVM Compiler Infrastructure
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
11 #ifndef _LIBCPP_EXPERIMENTAL_UTILITY
12 #define _LIBCPP_EXPERIMENTAL_UTILITY
15 experimental/utility synopsis
22 namespace experimental {
23 inline namespace fundamentals_v1 {
25 3.1.2, erased-type placeholder
26 struct erased_type { };
28 } // namespace fundamentals_v1
29 } // namespace experimental
34 #include <experimental/__config>
37 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
38 #pragma GCC system_header
41 _LIBCPP_BEGIN_NAMESPACE_LFTS
43 struct _LIBCPP_TYPE_VIS_ONLY erased_type { };
45 _LIBCPP_END_NAMESPACE_LFTS
47 #endif /* _LIBCPP_EXPERIMENTAL_UTILITY */