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remove_if.hpp
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1
2// Range v3 library
3//
4// Copyright Eric Niebler 2013-present
5//
6// Use, modification and distribution is subject to the
7// Boost Software License, Version 1.0. (See accompanying
8// file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10//
11// Project home: https://github.com/ericniebler/range-v3
12//
13
14#ifndef RANGES_V3_ACTION_REMOVE_IF_HPP
15#define RANGES_V3_ACTION_REMOVE_IF_HPP
16
17#include <utility>
18
20
27#include <range/v3/utility/static_const.hpp>
28
29#include <range/v3/detail/prologue.hpp>
30
31namespace ranges
32{
33 // TODO Look at all the special cases handled by erase_if in Library Fundamentals 2
34
37 namespace actions
38 {
40 {
41 template(typename C, typename P = identity)(
42 requires (!range<C>))
43 constexpr auto operator()(C pred, P proj = P{}) const
44 {
45 return make_action_closure(
46 bind_back(remove_if_fn{}, std::move(pred), std::move(proj)));
47 }
48
49 template(typename Rng, typename C, typename P = identity)(
50 requires forward_range<Rng> AND
54 Rng operator()(Rng && rng, C pred, P proj = P{}) const
55 {
56 auto it = ranges::remove_if(rng, std::move(pred), std::move(proj));
57 ranges::erase(rng, it, ranges::end(rng));
58 return static_cast<Rng &&>(rng);
59 }
60 };
61
63 RANGES_INLINE_VARIABLE(remove_if_fn, remove_if)
64 } // namespace actions
66} // namespace ranges
67
68#include <range/v3/detail/epilogue.hpp>
69
70#endif
The erasable_range concept.
The forward_range concept.
The indirect_unary_predicate concept.
The permutable concept.
The range concept.
decltype(begin(declval(Rng &))) iterator_t
Definition access.hpp:698
Definition remove_if.hpp:40
Definition identity.hpp:25