' Quotes for comments - wat

' OK - Imports. I can get behind that...

Imports System

​

' Enums are fine...

Public Enum OperationType

    Sum

    Difference

End Enum

​

' "Module" !? But a module is something completely different in the CLR/IL.

' http://blogs.msdn.com/b/junfeng/archive/2005/02/12/371683.aspx

' You're confusing people, VB

Public Module Module1

    Public Sub Main()

        Dim result = Operate(OperationType.Sum, 3, 1)

        ' Nice - string interpolation

        Console.WriteLine($"The result is {result}")

    End Sub

​

    Public Function Operate(opType As OperationType, numberOne As Int32, numberTwo As Int32)

        Dim result As Int32 ' As ... 3 extra characters for declartion, PLUS a Dim? My fingers hurt from TYPING so much

        ' Ok, so now this is cool.

        ' VB has actual pattern matching - we're not using it here, but it's a feature C# doesn't have.

        ' https://msdn.microsoft.com/en-us/library/cy37t14y.aspx

        Select Case opType

            Case OperationType.Sum

                result = numberOne + numberTwo

            Case OperationType.Difference

                result = System.Math.Abs(numberOne - numberTwo)

        End Select

        Return result

    End Function

End Module