microsoft-visualbasic-runtime/Extensions/Collection/Linq/Pipeline.vb

84 lines
2.6 KiB
VB.net

#Region "Microsoft.VisualBasic::8f1ac162ed29442e523abe92f47d582e, Microsoft.VisualBasic.Core\Extensions\Collection\Linq\Pipeline.vb"
' 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 PipelineExtensions
'
' Function: DoCall, PipeOf
'
' Sub: DoCall
'
'
' /********************************************************************************/
#End Region
Imports System.Runtime.CompilerServices
Namespace Linq
<HideModuleName> Public Module PipelineExtensions
''' <summary>
''' Delegate pipeline function
''' </summary>
''' <typeparam name="T"></typeparam>
''' <typeparam name="Tout"></typeparam>
''' <param name="input"></param>
''' <param name="apply"></param>
''' <returns></returns>
<MethodImpl(MethodImplOptions.AggressiveInlining)>
<DebuggerStepThrough>
<Extension>
Public Function DoCall(Of T, Tout)(input As T, apply As Func(Of T, Tout)) As Tout
Return apply(input)
End Function
''' <summary>
''' Delegate pipeline function
''' </summary>
''' <typeparam name="T"></typeparam>
''' <param name="input"></param>
''' <param name="apply"></param>
<MethodImpl(MethodImplOptions.AggressiveInlining)>
<Extension>
Public Sub DoCall(Of T)(input As T, apply As Action(Of T))
Call apply(input)
End Sub
<Extension>
Public Function PipeOf(Of T, Rest)(input As T, task As Action(Of T, Rest)) As Action(Of Rest)
Return Sub(a) task(input, a)
End Function
End Module
End Namespace