Hui 2f1416bbcd
[libc++] implement std::flat_set (#125241)
Co-authored-by: Louis Dionne <ldionne.2@gmail.com>
2025-03-23 14:45:21 +00:00

60 lines
1.8 KiB
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_FLAT_SET
#define _LIBCPP_FLAT_SET
/*
Header <flat_set> synopsis
#include <compare> // see [compare.syn]
#include <initializer_list> // see [initializer.list.syn]
namespace std {
// [flat.set], class template flat_set
template<class Key, class Compare = less<Key>, class KeyContainer = vector<Key>>
class flat_set;
struct sorted_unique_t { explicit sorted_unique_t() = default; };
inline constexpr sorted_unique_t sorted_unique{};
template<class Key, class Compare, class KeyContainer, class Allocator>
struct uses_allocator<flat_set<Key, Compare, KeyContainer>, Allocator>;
// [flat.set.erasure], erasure for flat_set
template<class Key, class Compare, class KeyContainer, class Predicate>
typename flat_set<Key, Compare, KeyContainer>::size_type
erase_if(flat_set<Key, Compare, KeyContainer>& c, Predicate pred);
}
*/
#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
# include <__cxx03/__config>
#else
# include <__config>
# if _LIBCPP_STD_VER >= 23
# include <__flat_map/sorted_unique.h>
# include <__flat_set/flat_set.h>
# endif
// for feature-test macros
# include <version>
// standard required includes
# include <compare>
# include <initializer_list>
# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
# endif
#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
#endif // _LIBCPP_FLAT_SET