Convert a C# Func or Action into an F# function

FuncHelper.fs

open System.Runtime.CompilerServices

[<Extension>]
type public FSharpFuncUtil = 
    
    [<Extension>] 
    static member ToFSharpFunc<'a> (func:System.Func<'a>) = fun () -> func.Invoke()

    [<Extension>] 
    static member ToFSharpFunc<'a,'b> (func:System.Converter<'a,'b>) = fun x -> func.Invoke(x)

    [<Extension>] 
    static member ToFSharpFunc<'a> (func:System.Action<'a>) = fun x -> func.Invoke(x)

    [<Extension>] 
    static member ToFSharpFunc<'a,'b> (func:System.Action<'a,'b>) = fun x -> func.Invoke(x)

    [<Extension>] 
    static member ToFSharpFunc<'a,'b> (func:System.Func<'a,'b>) = fun x -> func.Invoke(x)

    [<Extension>] 
    static member ToFSharpFunc<'a,'b,'c> (func:System.Func<'a,'b,'c>) = fun x y -> func.Invoke(x,y)

    [<Extension>] 
    static member ToFSharpFunc<'a,'b,'c,'d> (func:System.Func<'a,'b,'c,'d>) = fun x y z -> func.Invoke(x,y,z)

    static member Create<'a> (func:System.Func<unit, 'a>) = FSharpFuncUtil.ToFSharpFunc func

    static member Create<'a,'b> (func:System.Func<'a,'b>) = FSharpFuncUtil.ToFSharpFunc func

    static member Create<'a,'b,'c> (func:System.Func<'a,'b,'c>) = FSharpFuncUtil.ToFSharpFunc func

    static member Create<'a,'b,'c,'d> (func:System.Func<'a,'b,'c,'d>) = FSharpFuncUtil.ToFSharpFunc func