Semordnilap: Difference between revisions

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@@ Line 3,112: / Line 3,112: @@
 =={{header|Scala}}==
+<lang scala>val wordsAll =
-<lang scala>val wordsAll = scala.io.Source.fromURL("http://www.puzzlers.org/pub/wordlists/unixdict.txt").getLines.map(_.toLowerCase).to[IndexedSeq]
+  scala.io.Source.
+    fromURL("http://wiki.puzzlers.org/pub/wordlists/unixdict.txt").
+    getLines().map(_.toLowerCase).toIndexedSeq
 /**
@@ Line 3,119: / Line 3,123: @@
  * words are different.
  */
-def semordnilap( words:Seq[String] ) : Seq[(String,String)] = {
+def semordnilap( words:IndexedSeq[String] ) : IndexedSeq[(String,String)] = {
-  ( words.
+  words.
     zipWithIndex.                        // index will be needed to eliminate duplicate
     filter {
       case (w,i) =>
         val j = words.indexOf(w.reverse) // eg. (able,62) and (elba,7519)
         i < j && w != w.reverse          // save the matches which are not palindromes
+    }.
+    map {
+      case (w,_) => (w,w.reverse)        // drop the index
     }
-  ).
-  map {
-    case (w,i) => (w,w.reverse)          // drop the index
-  }
 }
@@ Line 3,137: / Line 3,140: @@
 {
-println( ss.size + " matches, including: \n" )
+println( s"${ss.size} matches, including: \n" )
 println( ss.take(5).mkString( "\n" ) )
 }</lang>