// empty map
var emptyMap = new HashMap<String, Integer>()

// map initialization
var map = {"Scott"->50, "Carson"->40, "Luca"->30, "Kyle"->38}

// map key/value assignment
map["Scott"] = 51

// get a value
var x = map["Scott"]

// remove an entry
map.remove("Scott")

// loop and maps
for(entry in map.entrySet()) {
  print("Key: ${entry.Key}, Value: ${entry.Value}")
}

// functional iteration
map.eachKey(\ k ->print(map[k]))
map.eachValue(\ v ->print(v))
map.eachKeyAndValue(\ k, v -> print("Key: ${v}, Value: ${v}"))
var filtered = map.filterByValues(\ v ->v < 50)

// any object can be treated as an associative array
class Person {
  var name: String
  var age: int
}
// access properties on Person dynamically via associative array syntax
var scott = new Person()
scott["name"] = "Scott"
scott["age"] = 29