Sample of using Unity from F#

Unity with F#

open Microsoft.Practices.Unity

type IRepository =
        abstract member FindPhoneNumber : string -> string
    
    type Repository() =
        interface IRepository with 
            member this.FindPhoneNumber(name) = match name with "John" -> "87654321" | _ -> ""

let container = new UnityContainer() :> IUnityContainer

            UnityContainerExtensions.RegisterType<IRepository, Repository>(container) |> ignore
            
            // Or
            // let Repository = 
            //    { 
            //        new IRepository with 
            //            member this.FindPhoneNumber(name) = match name with "Elisabeth" -> "87654321" | _ -> ""
            //    }
            //  UnityContainerExtensions.RegisterInstance<IRepository>(container, Repository) |> ignore

            let myInstance = UnityContainerExtensions.Resolve<IRepository>(container)
            let phone = myInstance.FindPhoneNumber "John"