| using System; |
| using System.Collections.Generic; |
| using System.Diagnostics; |
| using System.Runtime.CompilerServices; |
| |
| namespace Lucene.Net.Support |
| { |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /// <summary> |
| /// Extensions for <see cref="ICollection{T}"/>. |
| /// </summary> |
| internal static class CollectionExtensions |
| { |
| /// <summary> |
| /// Removes the given collection of elements from the source <see cref="ICollection{T}"/>. |
| /// </summary> |
| /// <typeparam name="T">The type of the elements of <paramref name="source"/>.</typeparam> |
| /// <param name="source">An <see cref="ICollection{T}"/> to remove elements from.</param> |
| /// <param name="removeList">An <see cref="IEnumerable{T}"/> containing the items to remove from <paramref name="source"/>.</param> |
| [DebuggerStepThrough] |
| [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| public static void RemoveAll<T>(this ICollection<T> source, IEnumerable<T> removeList) |
| { |
| if (source == null) |
| throw new ArgumentNullException(nameof(source)); |
| |
| if (source.Count == 0) return; |
| |
| foreach (var elt in removeList) |
| { |
| source.Remove(elt); |
| } |
| } |
| } |
| } |