1 | #Region "Microsoft.VisualBasic::e9b038898ef1e53c2470a7fffa9f8af2, Microsoft.VisualBasic.Core\Extensions\Collection\IsNullOrEmptyExtensions.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Module IsNullOrEmptyExtensions |
35 | ' |
36 | ' Function: Empty |
37 | ' |
38 | ' /********************************************************************************/ |
39 | |
40 | #End Region |
41 | |
42 | Imports System.Runtime.CompilerServices |
43 | |
44 | Public Module IsNullOrEmptyExtensions |
45 | |
46 | <Extension> |
47 | Public Function Empty(Of T)(list As IEnumerable(Of T)) As Boolean |
48 | Return list Is Nothing OrElse Not list.Any |
49 | End Function |
50 | End Module |