foundationdb/flow/Util.h

38 lines
1.0 KiB
C++

/*
* Util.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _FLOW_UTIL_H_
#define _FLOW_UTIL_H_
#pragma once
#include <algorithm>
template <typename C>
void swapAndPop(C* container, int index) {
if (index != container->size()-1) {
using std::swap;
swap((*container)[index], container->back());
}
container->pop_back();
}
#endif // _FLOW_UTIL_H_