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adjacent_remove_if.hpp
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1 // Range v3 library
3 //
4 // Copyright Eric Niebler
5 // Copyright Christopher Di Bella
6 //
7 // Use, modification and distribution is subject to the
8 // Boost Software License, Version 1.0. (See accompanying
9 // file LICENSE_1_0.txt or copy at
10 // http://www.boost.org/LICENSE_1_0.txt)
11 //
12 // Project home: https://github.com/ericniebler/range-v3
13 //
14 #ifndef RANGES_V3_ACTION_ADJACENT_REMOVE_IF_HPP
15 #define RANGES_V3_ACTION_ADJACENT_REMOVE_IF_HPP
16 
17 #include <utility>
18 
19 #include <range/v3/range_fwd.hpp>
20 
27 #include <range/v3/utility/static_const.hpp>
28 
29 #include <range/v3/detail/prologue.hpp>
30 
31 namespace ranges
32 {
35  namespace actions
36  {
38  {
39  template(typename Pred, typename Proj = identity)(
40  requires (!range<Pred>))
41  constexpr auto operator()(Pred pred, Proj proj = {}) const
42  {
43  return make_action_closure(
44  bind_back(adjacent_remove_if_fn{}, std::move(pred), std::move(proj)));
45  }
46 
47  template(typename Rng, typename Pred, typename Proj = identity)(
48  requires forward_range<Rng> AND
49  erasable_range<Rng, iterator_t<Rng>, sentinel_t<Rng>> AND
50  indirect_relation<Pred, projected<iterator_t<Rng>, Proj>> AND
52  Rng operator()(Rng && rng, Pred pred, Proj proj = {}) const
53  {
54  auto i = adjacent_remove_if(rng, std::move(pred), std::move(proj));
55  erase(rng, std::move(i), end(rng));
56  return static_cast<Rng &&>(rng);
57  }
58  };
59 
62  } // namespace actions
64 } // namespace ranges
65 
66 #include <range/v3/detail/epilogue.hpp>
67 
68 #endif // RANGES_V3_ACTION_ADJACENT_REMOVE_IF_HPP
CPP_concept permutable
\concept permutable
Definition: concepts.hpp:840
CPP_concept indirect_relation
\concept indirect_relation
Definition: concepts.hpp:670
decltype(begin(declval(Rng &))) iterator_t
Definition: access.hpp:698
RANGES_INLINE_VARIABLE(detail::to_container_fn< detail::from_range< std::vector >>, to_vector) template< template< typename... > class ContT > auto to(RANGES_HIDDEN_DETAIL(detail
For initializing a container of the specified type with the elements of an Range.
Definition: conversion.hpp:399
CPP_concept erasable_range
\concept erasable_range
Definition: erase.hpp:76
defer< bind_back, Fn, Ts... > bind_back
Definition: meta.hpp:994
Definition: adjacent_remove_if.hpp:38
Definition: identity.hpp:25