kittinunf

// Basic setup

interface Exp
data class Lit(val x: Int): Exp
data class Add(val x: Exp, val y: Exp): Exp

interface IntAlg<A>
{
    fun lit(x: Int): A
    fun add(x: A, y: A): A

kittinunf

//a somewhat contrived example of how reactive programming can be useful
//some real concerns that are omitted, but can be easily accomplished using rxswift are
//error handling, displaying loading indicators, etc


// A result object that comes from the network.
// The contents are irrelevant for this example.
struct Result {
  let text: String
  let someOtherThing: String