unordered_map 2.8 KB

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  1. // <experimental/unordered_map> -*- C++ -*-
  2. // Copyright (C) 2015-2021 Free Software Foundation, Inc.
  3. //
  4. // This file is part of the GNU ISO C++ Library. This library is free
  5. // software; you can redistribute it and/or modify it under the
  6. // terms of the GNU General Public License as published by the
  7. // Free Software Foundation; either version 3, or (at your option)
  8. // any later version.
  9. // This library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU General Public License for more details.
  13. // Under Section 7 of GPL version 3, you are granted additional
  14. // permissions described in the GCC Runtime Library Exception, version
  15. // 3.1, as published by the Free Software Foundation.
  16. // You should have received a copy of the GNU General Public License and
  17. // a copy of the GCC Runtime Library Exception along with this program;
  18. // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
  19. // <http://www.gnu.org/licenses/>.
  20. /** @file experimental/unordered_map
  21. * This is a TS C++ Library header.
  22. * @ingroup libfund-ts
  23. */
  24. #ifndef _GLIBCXX_EXPERIMENTAL_UNORDERED_MAP
  25. #define _GLIBCXX_EXPERIMENTAL_UNORDERED_MAP 1
  26. #pragma GCC system_header
  27. #if __cplusplus >= 201402L
  28. #include <unordered_map>
  29. #include <bits/erase_if.h>
  30. #include <experimental/memory_resource>
  31. namespace std _GLIBCXX_VISIBILITY(default)
  32. {
  33. _GLIBCXX_BEGIN_NAMESPACE_VERSION
  34. namespace experimental
  35. {
  36. inline namespace fundamentals_v2
  37. {
  38. template<typename _Key, typename _Tp, typename _Hash, typename _CPred,
  39. typename _Alloc, typename _Predicate>
  40. inline void
  41. erase_if(unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont,
  42. _Predicate __pred)
  43. { std::__detail::__erase_nodes_if(__cont, __pred); }
  44. template<typename _Key, typename _Tp, typename _Hash, typename _CPred,
  45. typename _Alloc, typename _Predicate>
  46. inline void
  47. erase_if(unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont,
  48. _Predicate __pred)
  49. { std::__detail::__erase_nodes_if(__cont, __pred); }
  50. namespace pmr {
  51. template<typename _Key, typename _Tp, typename _Hash = hash<_Key>,
  52. typename _Pred = equal_to<_Key>>
  53. using unordered_map
  54. = std::unordered_map<_Key, _Tp, _Hash, _Pred,
  55. polymorphic_allocator<pair<const _Key, _Tp>>>;
  56. template<typename _Key, typename _Tp, typename _Hash = hash<_Key>,
  57. typename _Pred = equal_to<_Key>>
  58. using unordered_multimap
  59. = std::unordered_multimap<_Key, _Tp, _Hash, _Pred,
  60. polymorphic_allocator<pair<const _Key, _Tp>>>;
  61. } // namespace pmr
  62. } // namespace fundamentals_v2
  63. } // namespace experimental
  64. _GLIBCXX_END_NAMESPACE_VERSION
  65. } // namespace std
  66. #endif // C++14
  67. #endif // _GLIBCXX_EXPERIMENTAL_UNORDERED_MAP