add abstract source file

Parallel/Class1.vb

@@ -1,3 +0,0 @@
-Public Class Class1
-
-End Class

Parallel/Parallel.vbproj

@@ -64,7 +64,6 @@
     <Import Include="System.Threading.Tasks" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Class1.vb" />
     <Compile Include="My Project\AssemblyInfo.vb" />
     <Compile Include="My Project\Application.Designer.vb">
       <AutoGen>True</AutoGen>
@@ -80,6 +79,7 @@
       <DependentUpon>Settings.settings</DependentUpon>
       <DesignTimeSharedInput>True</DesignTimeSharedInput>
     </Compile>
+    <Compile Include="SlaveTask.vb" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="My Project\Resources.resx">
@@ -100,5 +100,11 @@
       <LastGenOutput>Settings.Designer.vb</LastGenOutput>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\sciBASIC#\Microsoft.VisualBasic.Core\src\47-dotnet_Microsoft.VisualBasic.vbproj">
+      <Project>{fecce1fd-e1d4-49e3-a668-60bb5e7aed99}</Project>
+      <Name>47-dotnet_Microsoft.VisualBasic</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
 </Project>

Parallel/SlaveTask.vb

@@ -0,0 +1,33 @@
+Imports System.IO
+Imports Microsoft.VisualBasic
+
+Public Class SlaveTask
+
+    Dim toBuffers As New Dictionary(Of Type, Func(Of Object, Stream))
+    Dim fromBuffer As New Dictionary(Of Type, Func(Of Stream, Object))
+
+    Sub New()
+    End Sub
+
+    Public Function Emit(Of T)(streamAs As Func(Of T, Stream)) As SlaveTask
+        toBuffers(GetType(T)) = Function(obj) streamAs(obj)
+        Return Me
+    End Function
+
+    Public Function Emit(Of T)(fromStream As Func(Of Stream, T)) As SlaveTask
+        fromBuffer(GetType(T)) = Function(buf) fromStream(buf)
+        Return Me
+    End Function
+
+    Public Function RunTask(entry As [Delegate], ParamArray parameters As Object()) As Object
+
+    End Function
+
+End Class
+
+Public Class IDelegate
+
+    Public Property name As String
+    Public Property type As typeinfo
+
+End Class