progs/app7.scala
author Christian Urban <urbanc@in.tum.de>
Wed, 08 Nov 2017 12:54:39 +0000 (2017-11-08)
changeset 531 f6e937ed0332
parent 295 19f23c4c2167
permissions -rw-r--r--
added
abstract class Parser[I, T] {
  def parse(ts: I): Set[(T, I)]

  def parse_all(ts: I) : Set[T] =
    for ((head, tail) <- parse(ts); 
         if (tail.isEmpty)) yield head
}