import util:*
import io:*

obj test(Object) {
    var counter:int
    fun construct(): test* {
        counter = 0
        println("construct with 0")
        return this
    }

    fun construct(it:int): test* {
        counter = it
        print("construct with "); println(it)
        return this
    }

    fun copy_construct(old: test*):void {
        counter = old->counter+1
        print("copy construct from "); print(old->counter); print(" to "); println(counter)
    }

    fun destruct():void {
        print("destruct with "); println(counter)
    }
}

fun main():int {
    println(lesser(1,2))
    println(lesser(7.0,8.0))
    println(greater(1,2))
    println(greater(7.0,8.0))

    var oddPair = make_pair(3, "hi")
    println(oddPair.first)
    println(oddPair.second)

    println("construct")
    var test1.construct():test
    var test2.construct(100):test
    println("make_pair")
    var test_pair = make_pair(test1, test2)
    println("done")
    return 0
}