nabe.scala

val ahoNum = Array(
	"ぜ～ろ", "い～ち", "にぃ～", "さぁ～ん",
	"よぉ～ん", "ごぉ～", "ろぉ～く", "ななぁ～",
	"はぁ～ち", "きゅ～ぅ", "じゅ～ぅ"
)

class NabeInt(i:Int){
	def から(j:Int):List[Int] = (i to j).toList
}

class NabeIntList(ls:List[Int]){
	def まで数えて(f:Int => Boolean):NabeCond = {
		new NabeCond(ls, List(f))
	}
}

class NabeCond(ls:List[Int], conditions:List[Int => Boolean]){
	def と(f:Int => Boolean):NabeCond = {
		new NabeCond(ls, f :: conditions)
	}

	def の時だけ(f:Int => String):List[String] = {
		var res:List[String] = List()
		for(val i <- ls){
			var tmp:String = null
			conditions.foreach(c => {
				if(c(i)) tmp = f(i)
			})
			res = (if(tmp == null) i.toString else tmp) :: res
		}
		res.reverse
	}
}

class NabeStringList(ls:List[String]){
	def になります():Unit = ls.foreach(println)
}

implicit def int2nabeInt(i:Int) = { new NabeInt(i) }
implicit def list2nabeIntList(ls:List[Int]) = { new NabeIntList(ls) }
implicit def list2nabeStrList(ls:List[String]) = { new NabeStringList(ls) }

def 三の倍数(i:Int):Boolean = (i % 3) == 0
def アホ(i:Int):String = ahoNum(i)

1 から 10 まで数えて 三の倍数 の時だけ アホ になります