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2- ========================
1+ # scala-parser-combinators [ <img src =" https://img.shields.io/travis/scala/scala-parser-combinators.svg " />] ( https://travis-ci.org/scala/scala-parser-combinators ) [ <img src =" https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-parser-combinators_2.11.svg?label=latest%20release%20for%202.11 " />] ( http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-parser-combinators_2.11 ) [ <img src =" https://img.shields.io/maven-central/v/org.scala-lang.modules/scala-parser-combinators_2.12.svg?label=latest%20release%20for%202.12 " />] ( http://search.maven.org/#search%7Cga%7C1%7Cg%3Aorg.scala-lang.modules%20a%3Ascala-parser-combinators_2.12 ) [ ![ Gitter] ( https://badges.gitter.im/Join%20Chat.svg )] ( https://gitter.im/scala/scala-parser-combinators )
32
43### Scala Standard Parser Combinator Library
54
@@ -29,8 +28,7 @@ To support multiple Scala versions, see the example in [scala/scala-module-depen
2928import scala .util .parsing .combinator ._
3029
3130case class WordFreq (word : String , count : Int ) {
32- override def toString = " Word <" + word + " > " +
33- " occurs with frequency " + count
31+ override def toString = s " Word < $word> occurs with frequency $count"
3432}
3533
3634class SimpleParser extends RegexParsers {
@@ -43,8 +41,8 @@ object TestSimpleParser extends SimpleParser {
4341 def main (args : Array [String ]) = {
4442 parse(freq, " johnny 121" match {
4543 case Success (matched,_) => println(matched)
46- case Failure (msg,_) => println(" FAILURE: " + msg)
47- case Error (msg,_) => println(" ERROR: " + msg)
44+ case Failure (msg,_) => println(s " FAILURE: $ msg" )
45+ case Error (msg,_) => println(s " ERROR: $ msg" )
4846 }
4947 }
5048}
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