5 // Jérémie "Garuma" Laval <jeremie.laval@gmail.com>
7 // Copyright (c) 2012 Xamarin, Inc.
9 // Permission is hereby granted, free of charge, to any person obtaining a copy
10 // of this software and associated documentation files (the "Software"), to deal
11 // in the Software without restriction, including without limitation the rights
12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 // copies of the Software, and to permit persons to whom the Software is
14 // furnished to do so, subject to the following conditions:
16 // The above copyright notice and this permission notice shall be included in
17 // all copies or substantial portions of the Software.
19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
29 using System.Threading;
30 using System.Collections;
31 using System.Collections.Generic;
32 using System.Collections.Concurrent;
34 namespace System.Linq.Parallel
36 internal class TemporaryArea<TKey, TValue>
38 Dictionary<TKey, TValue> dict;
40 public TemporaryArea () : this (EqualityComparer<TKey>.Default)
45 public TemporaryArea (IEqualityComparer<TKey> comparer)
47 this.dict = new Dictionary<TKey, TValue> (comparer);
50 public bool TryAdd (TKey index, TValue value)
53 if (dict.ContainsKey (index))
55 dict.Add (index, value);
60 public bool TryRemove (TKey index, out TValue value)
63 if (!dict.TryGetValue (index, out value))
65 return dict.Remove (index);