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authorstefan <stefan@hegedues.at>2018-09-12 19:26:21 +0200
committerstefan <stefan@hegedues.at>2018-09-12 19:26:21 +0200
commit48facb797ed912e4ea6b04b17d1ff190ac2daac4 (patch)
tree8dae77a31670a888d733484cb17dd4077d5444e8 /MediaBrowser.Model/Extensions/LinqExtensions.cs
parentc32d8656382a0eacb301692e0084377fc433ae9b (diff)
Update to 3.5.2 and .net core 2.1
Diffstat (limited to 'MediaBrowser.Model/Extensions/LinqExtensions.cs')
-rw-r--r--MediaBrowser.Model/Extensions/LinqExtensions.cs97
1 files changed, 0 insertions, 97 deletions
diff --git a/MediaBrowser.Model/Extensions/LinqExtensions.cs b/MediaBrowser.Model/Extensions/LinqExtensions.cs
deleted file mode 100644
index 09ace42e8..000000000
--- a/MediaBrowser.Model/Extensions/LinqExtensions.cs
+++ /dev/null
@@ -1,97 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace MediaBrowser.Model.Extensions
-{
- // MoreLINQ - Extensions to LINQ to Objects
- // Copyright (c) 2008 Jonathan Skeet. All rights reserved.
- //
- // 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.
-
- public static class LinqExtensions
- {
- /// <summary>
- /// Returns all distinct elements of the given source, where "distinctness"
- /// is determined via a projection and the default equality comparer for the projected type.
- /// </summary>
- /// <remarks>
- /// This operator uses deferred execution and streams the results, although
- /// a set of already-seen keys is retained. If a key is seen multiple times,
- /// only the first element with that key is returned.
- /// </remarks>
- /// <typeparam name="TSource">Type of the source sequence</typeparam>
- /// <typeparam name="TKey">Type of the projected element</typeparam>
- /// <param name="source">Source sequence</param>
- /// <param name="keySelector">Projection for determining "distinctness"</param>
- /// <returns>A sequence consisting of distinct elements from the source sequence,
- /// comparing them by the specified key projection.</returns>
-
- public static IEnumerable<TSource> DistinctBy<TSource, TKey>(this IEnumerable<TSource> source,
- Func<TSource, TKey> keySelector)
- {
- return source.DistinctBy(keySelector, null);
- }
-
- public static TSource[] ToArray<TSource>(this IEnumerable<TSource> source, int count)
- {
- if (source == null) throw new ArgumentNullException("source");
- if (count < 0) throw new ArgumentOutOfRangeException("count");
- var array = new TSource[count];
- int i = 0;
- foreach (var item in source)
- {
- array[i++] = item;
- }
- return array;
- }
-
- /// <summary>
- /// Returns all distinct elements of the given source, where "distinctness"
- /// is determined via a projection and the specified comparer for the projected type.
- /// </summary>
- /// <remarks>
- /// This operator uses deferred execution and streams the results, although
- /// a set of already-seen keys is retained. If a key is seen multiple times,
- /// only the first element with that key is returned.
- /// </remarks>
- /// <typeparam name="TSource">Type of the source sequence</typeparam>
- /// <typeparam name="TKey">Type of the projected element</typeparam>
- /// <param name="source">Source sequence</param>
- /// <param name="keySelector">Projection for determining "distinctness"</param>
- /// <param name="comparer">The equality comparer to use to determine whether or not keys are equal.
- /// If null, the default equality comparer for <c>TSource</c> is used.</param>
- /// <returns>A sequence consisting of distinct elements from the source sequence,
- /// comparing them by the specified key projection.</returns>
-
- public static IEnumerable<TSource> DistinctBy<TSource, TKey>(this IEnumerable<TSource> source,
- Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer)
- {
- if (source == null) throw new ArgumentNullException("source");
- if (keySelector == null) throw new ArgumentNullException("keySelector");
- return DistinctByImpl(source, keySelector, comparer);
- }
-
- private static IEnumerable<TSource> DistinctByImpl<TSource, TKey>(IEnumerable<TSource> source,
- Func<TSource, TKey> keySelector, IEqualityComparer<TKey> comparer)
- {
- var knownKeys = new HashSet<TKey>(comparer);
- foreach (var element in source)
- {
- if (knownKeys.Add(keySelector(element)))
- {
- yield return element;
- }
- }
- }
- }
-}