1 #region Copyright notice and license
2 
3 // Copyright 2015 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 //     http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 
17 #endregion
18 
19 using System;
20 using System.Threading.Tasks;
21 
22 namespace Grpc.Core.Utils
23 {
24     /// <summary>
25     /// Utility methods for task parallel library.
26     /// </summary>
27     public static class TaskUtils
28     {
29         /// <summary>
30         /// Framework independent equivalent of <c>Task.CompletedTask</c>.
31         /// </summary>
32         public static Task CompletedTask
33         {
34             get
35             {
36 #if NETSTANDARD
37                 return Task.CompletedTask;
38 #else
39                 return Task.FromResult<object>(null);  // for .NET45, emulate the functionality
40 #endif
41             }
42         }
43     }
44 }
45