import io:*
import map:*

fun main(): int {
    var m = map(3,1)
    m.set(2,2)
    m.set(1,3)
    println(m[1])
    println(m[2])
    println(m[3])
    m.set(3,4)
    m.set(4,20)
    m[6] = 30
    println(m[1])
    println(m[4])
    println(m[2])
    println(m[6])
    println(m[3])
    var mapEx = map(7, "Lookie, a map!")
    mapEx[20] = "What I get for not testing different types"
    mapEx[30] = "we'll look for for_each too"
    println(mapEx[7])
    println(mapEx[20])
    mapEx.remove(20)
    mapEx.for_each(fun(key:int, value:*char) { print("key: "); print(key); print(", value: "); println(value); })
    return 0
}