Data commit

Task/FizzBuzz/Scala/fizzbuzz-1.scala

@@ -0,0 +1,10 @@
+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 _ => n
+    })
+  }
+}

Task/FizzBuzz/Scala/fizzbuzz-2.scala

@@ -0,0 +1,7 @@
+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 = replaceMultiples(_: Int, 3 -> "Fizz", 5 -> "Buzz") fold(_.toString, identity)
+
+1 to 100 map fizzbuzz foreach println

Task/FizzBuzz/Scala/fizzbuzz-3.scala

@@ -0,0 +1,2 @@
+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

@@ -0,0 +1 @@
+for (i <- 1 to 100) println(Seq(15 -> "FizzBuzz", 3 -> "Fizz", 5 -> "Buzz").find(i % _._1 == 0).map(_._2).getOrElse(i))

Task/FizzBuzz/Scala/fizzbuzz-5.scala

@@ -0,0 +1,7 @@
+def fizzBuzzTerm(n: Int): String =
+  if (n % 15 == 0) "FizzBuzz"
+  else if (n % 3 == 0) "Fizz"
+  else if (n % 5 == 0) "Buzz"
+  else n.toString
+
+def fizzBuzz(): Unit = LazyList.from(1).take(100).map(fizzBuzzTerm).foreach(println)

Task/FizzBuzz/Scala/fizzbuzz-6.scala

@@ -0,0 +1,14 @@
+def fizzBuzzTerm(n: Int): String | Int = // union types
+  (n % 3, n % 5) match // optional semantic indentation; no braces
+    case (0, 0) => "FizzBuzz"
+    case (0, _) => "Fizz"
+    case (_, 0) => "Buzz"
+    case _      => n // no need for `.toString`, thanks to union type
+  end match // optional `end` keyword, with what it's ending
+end fizzBuzzTerm // `end` also usable for identifiers
+
+val fizzBuzz = // no namespace object is required; all top level
+  LazyList.from(1).map(fizzBuzzTerm)
+
+@main def run(): Unit = // @main for main method; can take custom args
+  fizzBuzz.take(100).foreach(println)