libcxx/test/support/iterator_traits_cpp17_iterators.h

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef TEST_SUPPORT_ITERATOR_TRAITS_ITERATOR_TRAITS_CPP17_ITERATORS
  10 #define TEST_SUPPORT_ITERATOR_TRAITS_ITERATOR_TRAITS_CPP17_ITERATORS
  11
  12 struct iterator_traits_cpp17_iterator {
  13   int& operator*();
  14   iterator_traits_cpp17_iterator& operator++();
  15   iterator_traits_cpp17_iterator operator++(int);
  16 };
  17
  18 struct iterator_traits_cpp17_proxy_iterator {
  19   int operator*();
  20   iterator_traits_cpp17_proxy_iterator& operator++();
  21
  22   // this returns legcay_iterator, not iterator_traits_cpp17_proxy_iterator
  23   iterator_traits_cpp17_iterator operator++(int);
  24 };
  25
  26 struct iterator_traits_cpp17_input_iterator {
  27   using difference_type = int;
  28   using value_type = long;
  29
  30   int& operator*();
  31   iterator_traits_cpp17_input_iterator& operator++();
  32   iterator_traits_cpp17_input_iterator operator++(int);
  33
  34   bool operator==(iterator_traits_cpp17_input_iterator const&) const;
  35 };
  36
  37 struct iterator_traits_cpp17_proxy_input_iterator {
  38   using difference_type = int;
  39   using value_type = long;
  40
  41   int operator*();
  42   iterator_traits_cpp17_proxy_input_iterator& operator++();
  43
  44   // this returns legcay_input_iterator, not iterator_traits_cpp17_proxy_input_iterator
  45   iterator_traits_cpp17_input_iterator operator++(int);
  46
  47   bool operator==(iterator_traits_cpp17_proxy_input_iterator const&) const;
  48 };
  49
  50 struct iterator_traits_cpp17_forward_iterator {
  51   using difference_type = int;
  52   using value_type = int;
  53
  54   int& operator*();
  55   iterator_traits_cpp17_forward_iterator& operator++();
  56   iterator_traits_cpp17_forward_iterator operator++(int);
  57
  58   bool operator==(iterator_traits_cpp17_forward_iterator const&) const;
  59 };
  60
  61 struct iterator_traits_cpp17_bidirectional_iterator {
  62   using difference_type = int;
  63   using value_type = int;
  64
  65   int& operator*();
  66   iterator_traits_cpp17_bidirectional_iterator& operator++();
  67   iterator_traits_cpp17_bidirectional_iterator operator++(int);
  68   iterator_traits_cpp17_bidirectional_iterator& operator--();
  69   iterator_traits_cpp17_bidirectional_iterator operator--(int);
  70
  71   bool operator==(iterator_traits_cpp17_bidirectional_iterator const&) const;
  72 };
  73
  74 struct iterator_traits_cpp17_random_access_iterator {
  75   using difference_type = int;
  76   using value_type = int;
  77
  78   int& operator*();
  79   int& operator[](difference_type);
  80   iterator_traits_cpp17_random_access_iterator& operator++();
  81   iterator_traits_cpp17_random_access_iterator operator++(int);
  82   iterator_traits_cpp17_random_access_iterator& operator--();
  83   iterator_traits_cpp17_random_access_iterator operator--(int);
  84
  85   bool operator==(iterator_traits_cpp17_random_access_iterator const&) const;
  86   bool operator<(iterator_traits_cpp17_random_access_iterator const&) const;
  87   bool operator>(iterator_traits_cpp17_random_access_iterator const&) const;
  88   bool operator<=(iterator_traits_cpp17_random_access_iterator const&) const;
  89   bool operator>=(iterator_traits_cpp17_random_access_iterator const&) const;
  90
  91   iterator_traits_cpp17_random_access_iterator& operator+=(difference_type);
  92   iterator_traits_cpp17_random_access_iterator& operator-=(difference_type);
  93
  94   friend iterator_traits_cpp17_random_access_iterator operator+(iterator_traits_cpp17_random_access_iterator,
  95                                                                 difference_type);
  96   friend iterator_traits_cpp17_random_access_iterator operator+(difference_type,
  97                                                                 iterator_traits_cpp17_random_access_iterator);
  98   friend iterator_traits_cpp17_random_access_iterator operator-(iterator_traits_cpp17_random_access_iterator,
  99                                                                 difference_type);
 100   friend difference_type operator-(iterator_traits_cpp17_random_access_iterator,
 101                                    iterator_traits_cpp17_random_access_iterator);
 102 };
 103
 104 #endif // TEST_SUPPORT_ITERATOR_TRAITS_ITERATOR_TRAITS_CPP17_ITERATORS