1 files changed, 0 insertions, 69 deletions
diff --git a/docs/examples/parsers2.scala b/docs/examples/parsers2.scala
deleted file mode 100644
index 71ece15552..0000000000
--- a/docs/examples/parsers2.scala
+++ /dev/null
@@ -1,69 +0,0 @@
-package examples
-
-object parsers2 {
-
-  abstract class Tree
-  case class Id(s: String)          extends Tree
-  case class Num(n: int)            extends Tree
-  case class Lst(elems: List[Tree]) extends Tree
-
-  def isLetter = (c: char) => Character.isLetter(c)
-  def isLetterOrDigit: char => boolean = Character.isLetterOrDigit
-  def isDigit: char => boolean = Character.isDigit
-
-  trait ListParsers extends CharParsers {
-
-    def ident: Parser[Tree] =
-      for (
-        c: char <- chr(isLetter);
-        cs: List[char] <- rep(chr(isLetterOrDigit))
-      ) yield Id((c :: cs).mkString("", "", ""))
-
-    def number: Parser[Tree] =
-      for (
-        d: char <- chr(isDigit);
-        ds: List[char] <- rep(chr(isDigit))
-      ) yield Num(((d - '0') /: ds) ((x, digit) => x * 10 + digit - '0'))
-
-    def list: Parser[Tree] =
-      for (
-        _ <- chr('(');
-        es <- listElems ||| succeed(List());
-        _ <- chr(')')
-      ) yield Lst(es)
-
-    def listElems: Parser[List[Tree]] =
-      for (
-        x <- expr;
-        xs <- chr(',') &&& listElems ||| succeed(List())
-      ) yield x :: xs
-
-    def expr: Parser[Tree] =
-      list ||| ident ||| number
-
-  }
-
-  class ParseString(s: String) extends Parsers {
-    type inputType = int
-    val input = 0
-    def any = new Parser[char] {
-      def apply(in: int): Parser[char]#Result =
-        if (in < s.length()) Some(Pair(s charAt in, in + 1)) else None
-    }
-  }
-
-  def main(args: Array[String]) {
-    Console.println(
-      if (args.length == 1) {
-        val ps = new ParseString(args(0)) with ListParsers
-        ps.expr(ps.input) match {
-          case Some(Pair(list, _)) => "parsed: " + list
-          case None => "nothing parsed"
-        }
-      }
-      else
-        "usage: scala examples.parsers2 <expr-string>"
-    )
-  }
-
-}