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36 lines
1.3 KiB
C++
36 lines
1.3 KiB
C++
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file container_func.hpp Functions related to use of containers. */
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template <typename C, typename UP> unsigned int container_unordered_remove_if (C &container, UP predicate) {
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unsigned int removecount = 0;
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for (auto it = container.begin(); it != container.end();) {
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if (predicate(*it)) {
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removecount++;
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if (std::next(it) != container.end()) {
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*it = std::move(container.back());
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container.pop_back();
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} else {
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container.pop_back();
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break;
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}
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} else {
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++it;
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}
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}
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return removecount;
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}
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template <typename C, typename V> unsigned int container_unordered_remove(C &container, const V &value) {
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return container_unordered_remove_if (container, [&](const typename C::value_type &v) {
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return v == value;
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});
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}
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