1 /*
2  * Util.h
3  *
4  * This source file is part of the FoundationDB open source project
5  *
6  * Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
7  *
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  *     http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  */
20 
21 #ifndef _FLOW_UTIL_H_
22 #define _FLOW_UTIL_H_
23 #pragma once
24 
25 #include <algorithm>
26 
27 template <typename C>
swapAndPop(C * container,int index)28 void swapAndPop(C* container, int index) {
29 	if (index != container->size()-1) {
30 		using std::swap;
31 		swap((*container)[index], container->back());
32 	}
33 
34 	container->pop_back();
35 }
36 
37 #endif  // _FLOW_UTIL_H_
38