| changeset 852 | b68252417cf4 |
| parent 850 | 7fb643cb3d9d |
| child 896 | de5fd5e2ab0a |
| 851:2918388fe4ab | 852:b68252417cf4 |
|---|---|
11 // a sequence. |
11 // a sequence. |
12 |
12 |
13 type IsSeq[A] = A => Seq[_] |
13 type IsSeq[A] = A => Seq[_] |
14 |
14 |
15 abstract class Parser[I : IsSeq, T]{ |
15 abstract class Parser[I : IsSeq, T]{ |
16 def parse(in: I): Set[(T, I)] |
16 def parse(in: I): Set[(T, I)] |
17 |
17 |
18 def parse_all(in: I) : Set[T] = |
18 def parse_all(in: I) : Set[T] = |
19 for ((hd, tl) <- parse(in); |
19 for ((hd, tl) <- parse(in); |
20 if tl.isEmpty) yield hd |
20 if tl.isEmpty) yield hd |
21 } |
21 } |