ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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contains.hpp
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1/*
2 * Copyright (C) 2010-2022 The ESPResSo project
3 *
4 * This file is part of ESPResSo.
5 *
6 * ESPResSo is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * ESPResSo is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19#ifndef UTILS_LIST_CONTAINS_HPP
20#define UTILS_LIST_CONTAINS_HPP
21
22#include <algorithm>
23#include <iterator>
24
25namespace Utils {
26/** @brief Check whether an iterator range contains a value.
27 *
28 * @param first Beginning of the range
29 * @param last End of the range.
30 * @param value The value to search for.
31 *
32 * @return True iff range contains the value.
33 *
34 * */
35template <class InputIt, class T>
36bool contains(InputIt first, InputIt last, T const &value) {
37 return std::any_of(first, last, [value](T const &e) { return e == value; });
38}
39
40/** @brief Check whether a range contains a value.
41 *
42 * @param rng The range to search in.
43 * @param value The value to search for.
44 *
45 * @return True iff range contains the value.
46 *
47 * */
48template <class Range, class T>
49bool contains(const Range &rng, T const &value) {
50 using std::begin;
51 using std::end;
52
53 return contains(begin(rng), end(rng), value);
54}
55} // namespace Utils
56
57#endif
bool contains(InputIt first, InputIt last, T const &value)
Check whether an iterator range contains a value.
Definition contains.hpp:36