Inject.kt

trait Injected<T> {
    fun instance() : T
}

trait Imap {
    class object : Injected<Imap> {
        override fun instance(): Imap {
            return ImapImpl()
        }

    }
    
    fun auth() {}
}

class ImapImpl : Imap {}


fun routeHandler<T, TC : Injected<T>>(t : TC, body : (T)->Unit) {
    body(t.instance())
}

val x = routeHandler(Imap) { imap ->
    imap.auth()
}