类 Ahead<E,T>
java.lang.Object
jaskell.parsec.common.Ahead<E,T>
- 所有已实现的接口:
Parsec<E,T>
public class Ahead<E,T> extends Object implements Parsec<E,T>
Created by Mars Liu on 16/9/15.
Ahead look forward state and try to match parser.
Ahead return the parser data or fail and rollback state whatever