libcxx/include/experimental/utility

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef _LIBCPP_EXPERIMENTAL_UTILITY
  11 #define _LIBCPP_EXPERIMENTAL_UTILITY
  12
  13 /*
  14     experimental/utility synopsis
  15
  16 // C++1y
  17
  18 #include <utility>
  19
  20 namespace std {
  21 namespace experimental {
  22 inline namespace fundamentals_v1 {
  23
  24   3.1.2, erased-type placeholder
  25   struct erased_type { };
  26
  27 } // namespace fundamentals_v1
  28 } // namespace experimental
  29 } // namespace std
  30
  31  */
  32
  33 #include <__assert> // all public C++ headers provide the assertion handler
  34 #include <experimental/__config>
  35 #include <utility>
  36
  37 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  38 #  pragma GCC system_header
  39 #endif
  40
  41 _LIBCPP_BEGIN_NAMESPACE_LFTS
  42
  43   struct _LIBCPP_TEMPLATE_VIS erased_type { };
  44
  45 _LIBCPP_END_NAMESPACE_LFTS
  46
  47 #endif /* _LIBCPP_EXPERIMENTAL_UTILITY */