llvm-project/libcxx/include/ranges

// -*- C++ -*-
//===--------------------------- ranges -----------------------------------===//
//
// 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_RANGES
#define _LIBCPP_RANGES

/*

#include <compare>              // see [compare.syn]
#include <initializer_list>     // see [initializer.list.syn]
#include <iterator>             // see [iterator.synopsis]

namespace std::ranges {
  inline namespace unspecified {
    // [range.access], range access
    inline constexpr unspecified begin = unspecified;
    inline constexpr unspecified end = unspecified;
    inline constexpr unspecified cbegin = unspecified;
    inline constexpr unspecified cend = unspecified;
  }

  // [range.range], ranges
  template<class T>
    concept range = see below;

  template<class T>
    inline constexpr bool enable_borrowed_range = false;

  template<class T>
    using iterator_t = decltype(ranges::begin(declval<T&>()));
  template<class T>
    using iterator_t = decltype(ranges::begin(declval<T&>()));
  template<range R>
    using sentinel_t = decltype(ranges::end(declval<R&>()));
  template<range R>
    using range_difference_t = iter_difference_t<iterator_t<R>>;
  template<range R>
    using range_value_t = iter_value_t<iterator_t<R>>;
  template<range R>
    using range_reference_t = iter_reference_t<iterator_t<R>>;
  template<range R>
    using range_rvalue_reference_t = iter_rvalue_reference_t<iterator_t<R>>;

  // [range.refinements], other range refinements
  template<class T>
    concept input_range = see below;

  template<class T>
    concept forward_range = see below;

  template<class T>
  concept bidirectional_range = see below;

  template <class _Tp>
    concept common_range = see below;
}

*/

#include <__config>
#include <__ranges/access.h>
#include <__ranges/concepts.h>
#include <__ranges/enable_borrowed_range.h>
#include <compare>          // Required by the standard.
#include <initializer_list> // Required by the standard.
#include <iterator>         // Required by the standard.
#include <type_traits>
#include <version>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif

_LIBCPP_PUSH_MACROS
#include <__undef_macros>

_LIBCPP_BEGIN_NAMESPACE_STD

#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES)

#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES)

_LIBCPP_END_NAMESPACE_STD

_LIBCPP_POP_MACROS

#endif // _LIBCPP_RANGES