kawa.lang
Class Promise

java.lang.Object
  kawa.lang.Promise

All Implemented Interfaces:

Printable

public class Promise
extends java.lang.Object
implements Printable

Implement Scheme "promises".

Constructor Summary

Promise(Procedure thunk)
Create a new Promise that will evaluate thunk when forced.

Method Summary

java.lang.Object	force()
void	print(Consumer out)

Methods inherited from class java.lang.Object

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

Constructor Detail

Promise

public Promise(Procedure thunk)

Create a new Promise that will evaluate thunk when forced.

Method Detail

force

public java.lang.Object force()
                       throws java.lang.Throwable

Throws:

java.lang.Throwable

print

public void print(Consumer out)

Specified by:

print in interface Printable