ix.util.lisp
Class Delay

java.lang.Object
  |
  +--ix.util.lisp.Delay

public abstract class Delay

extends java.lang.Object

A class for delaying evaluation.

A standard way to construct a Delay is to instantiate an anonymous class. For instance:

    new Delay() {
        public Object eval() {
            ... code that computes the value ...
        }
    }
 

Field Summary

(package private) boolean	forced_p
(package private) java.lang.Object	value

Constructor Summary

Delay()

Method Summary

abstract java.lang.Object	eval()
java.lang.Object	force()

Methods inherited from class java.lang.Object

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

Field Detail

value

java.lang.Object value

forced_p

boolean forced_p

Constructor Detail

Delay

public Delay()

Method Detail

force

public java.lang.Object force()

eval

public abstract java.lang.Object eval()