Just another update

Task/FizzBuzz/Scala/fizzbuzz-1.scala

@@ -1,7 +1,10 @@
-  for (x <- 1 to 100) println(
-    (x % 3, x % 5) match {
+object FizzBuzz extends App {
+  1 to 100 foreach { n =>
+    println((n % 3, n % 5) match {
       case (0, 0) => "FizzBuzz"
       case (0, _) => "Fizz"
       case (_, 0) => "Buzz"
-      case _      => x
+      case _ => n
     })
+  }
+}

Task/FizzBuzz/Scala/fizzbuzz-2.scala

@@ -1,8 +1,7 @@
-  def replaceMultiples(x: Int, rs: (Int, String)*) =
-    rs map { case (n, s) => Either cond (x % n == 0, s, x) } reduceLeft ((a, b) =>
-      a fold ((_ => b), (s => b fold ((_ => a), (t => Right(s + t))))))
+def replaceMultiples(x: Int, rs: (Int, String)*): Either[Int, String] =
+  rs map { case (n, s) => Either cond(x % n == 0, s, x)} reduceLeft ((a, b) =>
+    a fold(_ => b, s => b fold(_ => a, t => Right(s + t))))
 
-  def fizzbuzz(n: Int) =
-    replaceMultiples(n, 3 -> "Fizz", 5 -> "Buzz") fold ((_ toString), identity)
+def fizzbuzz = replaceMultiples(_: Int, 3 -> "Fizz", 5 -> "Buzz") fold(_.toString, identity)
 
-  1 to 100 map fizzbuzz foreach println
+1 to 100 map fizzbuzz foreach println

Task/FizzBuzz/Scala/fizzbuzz-3.scala

@@ -1,2 +1,2 @@
-  def f(a: Int, b: Int, c: String, d: String): String = if (a % b == 0) c else d
-  for (i <- 1 to 100) println(f(i, 15, "FizzBuzz", f(i, 3, "Fizz", f(i, 5, "Buzz", i.toString))))
+def f(n: Int, div: Int, met: String, notMet: String): String = if (n % div == 0) met else notMet
+for (i <- 1 to 100) println(f(i, 15, "FizzBuzz", f(i, 3, "Fizz", f(i, 5, "Buzz", i.toString))))

Task/FizzBuzz/Scala/fizzbuzz-4.scala

@@ -1,2 +1 @@
-def f(a:Int,b:Int,c:String, d:String):String = if(a % b == 0) c else d
-for(i <- 1 to 100) println(f(i,15,"FizzBuzz", f(i,3,"Fizz", f(i,5,"Buzz", i.toString))))
+for (n <- 1 to 100) println(List((15, "FizzBuzz"), (3, "Fizz"), (5, "Buzz")).find(t => n % t._1 == 0).getOrElse((0, n.toString))._2)