open System.IO
open System.Configuration
open System.Collections
open System.Collections.Generic
module SomeModule =
    let ParseMember(filePath) =
        printf "This is never executed"

    let FunctionNeverCalled():int =
        printfn "Function called: %s\n" "FunctionNeverCalled" |> ignore
        0

    let InputFile() =
        match ConfigurationManager.AppSettings.Get "MemberListFile" with
        | ""  -> failwithf "Invalid MemberListFile in configuration"
        | file ->
            if (File.Exists file ) then file
            else failwithf "Invalid MemberListFile in configuration"

    let FunctionCalled() =
        let mylist = [(1,2);(2,3);(3,4);(1,2)]
        mylist |> Seq.distinctBy (fun (x,y) -> (x,y)) |> printf "This function is called and the output is: %A\n"


    [<EntryPoint>]
    let main argv =
        FunctionCalled() |> ignore
        let someValue = System.Console.Read()
        0 // return an integer exit code