metaRxDictTest.scala

import pl.metastack.metarx.Dict

val myDict: Dict[Int, String] = Dict()

myDict.changes.attach {
  case d: Dict.Delta.Insert[Int, String] =>
    println(f"Insert:: ${d.key}%d : ${d.value}%s")
  case d: Dict.Delta.Update[Int, String] =>
    println(f"Update:: ${d.key}%d : ${d.value}%s")
  case _ => ()
}

println("test out")
myDict(1) = "one"
myDict(2) = "two"
myDict(1) = "one"
myDict(1) = "not one"
myDict.update(1, "one")
myDict(3) = "three"
var three = myDict(3)
three = "not three"
// no update, but not unexpected really; how could myDict know?
myDict(3) = three
//updates