Indent scala code with 2 spaces

Author: Philippus

README.md

@@ -29,24 +29,24 @@ To support multiple Scala versions, see the example in [scala/scala-module-depen
 import scala.util.parsing.combinator._
 
 case class WordFreq(word: String, count: Int) {
-    override def toString = "Word <" + word + "> " +
-                            "occurs with frequency " + count
+  override def toString = "Word <" + word + "> " +
+                          "occurs with frequency " + count
 }
 
 class SimpleParser extends RegexParsers {
-    def word: Parser[String]   = """[a-z]+""".r       ^^ { _.toString }
-    def number: Parser[Int]    = """(0|[1-9]\d*)""".r ^^ { _.toInt }
-    def freq: Parser[WordFreq] = word ~ number        ^^ { case wd ~ fr => WordFreq(wd,fr) }
+  def word: Parser[String]   = """[a-z]+""".r       ^^ { _.toString }
+  def number: Parser[Int]    = """(0|[1-9]\d*)""".r ^^ { _.toInt }
+  def freq: Parser[WordFreq] = word ~ number        ^^ { case wd ~ fr => WordFreq(wd,fr) }
 }
 
 object TestSimpleParser extends SimpleParser {
-    def main(args: Array[String]) = {
-        parse(freq, "johnny 121") match {
-            case Success(matched,_) => println(matched)
-            case Failure(msg,_) => println("FAILURE: " + msg)
-            case Error(msg,_) => println("ERROR: " + msg)
-        }
+  def main(args: Array[String]) = {
+    parse(freq, "johnny 121") match {
+      case Success(matched,_) => println(matched)
+      case Failure(msg,_) => println("FAILURE: " + msg)
+      case Error(msg,_) => println("ERROR: " + msg)
     }
+  }
 }
 ```