com.m3.scalaflavor4j

Class Extractor<M>

java.lang.Object

com.m3.scalaflavor4j.Extractor<M>

Direct Known Subclasses:

ClassCastExtractor

public abstract class Extractor<M>
extends Object

Extractor for Pattern

 Expr ::= PostfixExpr ‘match’ ‘{’ CaseClauses ‘}’
 
 CaseClauses ::= CaseClause {CaseClause}
 
 CaseClause ::= ‘case’ Pattern [Guard] ‘=>’ Block
 

Constructor Summary

Constructors

Constructor and Description
Extractor()

Method Summary

Methods

Modifier and Type	Method and Description
abstract M	extract(Object v)
Option<M>	unapply(Object v) Extract a value

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Extractor

public Extractor()

Method Detail

extract

public abstract M extract(Object v)
                   throws Exception

Throws:

Exception

unapply

public Option<M> unapply(Object v)
                  throws Exception

Extract a value

Throws:

Exception