microsoft-visualbasic-runtime/Extensions/Collection/IsNullOrEmptyExtensions.vb

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2019-02-19 18:25:51 +08:00
#Region "Microsoft.VisualBasic::870b4c19f9899b56486233a41135f1a2, Microsoft.VisualBasic.Core\Extensions\Collection\IsNullOrEmptyExtensions.vb"
2018-08-02 20:14:48 +08:00
' Author:
'
' asuka (amethyst.asuka@gcmodeller.org)
' xie (genetics@smrucc.org)
' xieguigang (xie.guigang@live.com)
'
' Copyright (c) 2018 GPL3 Licensed
'
'
' GNU GENERAL PUBLIC LICENSE (GPL3)
'
'
' This program is free software: you can redistribute it and/or modify
' it under the terms of the GNU General Public License as published by
' the Free Software Foundation, either version 3 of the License, or
' (at your option) any later version.
'
' This program is distributed in the hope that it will be useful,
' but WITHOUT ANY WARRANTY; without even the implied warranty of
' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
' GNU General Public License for more details.
'
' You should have received a copy of the GNU General Public License
' along with this program. If not, see <http://www.gnu.org/licenses/>.
' /********************************************************************************/
' Summaries:
' Module IsNullOrEmptyExtensions
'
' Function: Empty
'
' /********************************************************************************/
#End Region
Imports System.Runtime.CompilerServices
Public Module IsNullOrEmptyExtensions
<Extension>
Public Function Empty(Of T)(list As IEnumerable(Of T)) As Boolean
Return list Is Nothing OrElse Not list.Any
End Function
End Module