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/* The Computer Language Shootout
http://shootout.alioth.debian.org/
contributed by Isaac Gouy (Scala novice)
*/
object objinst {
def main(args: Array[String]) = {
var n = toPositiveInt(args);
var toggle = new Toggle(true);
for (val i <- Iterator.range(0,5))
Console println( toggle.activate.value );
for (val i <- Iterator.range(0,n))
toggle = new Toggle(true);
Console print("\n");
var ntoggle = new NToggle(true,3);
for (val i <- Iterator.range(0,8))
Console println( ntoggle.activate.value );
for (val i <- Iterator.range(0,n))
ntoggle = new NToggle(true,3);
}
private def toPositiveInt(s: Array[String]) = {
val i =
try { Integer.parseInt(s(0)); }
catch { case _ => 1 }
if (i>0) i; else 1;
}
}
private class Toggle(b: Boolean) {
var state = b;
def value = state;
def activate = {
state = !state;
this
}
}
private class NToggle(b: Boolean, trigger: Int)
extends Toggle(b) {
val toggleTrigger = trigger;
var count = 0;
override def activate = {
count = count + 1;
if (count >= toggleTrigger) {
state = !state;
count = 0;
}
this
}
}
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