orc.runtime.sites.core
Class Let

java.lang.Object
  orc.runtime.values.Value
      orc.runtime.sites.Site
          orc.runtime.sites.EvalSite
              orc.runtime.sites.core.Let

All Implemented Interfaces:

Callable

public class Let
extends EvalSite

Implements the built-in "let" site

Author:

wcook

Field Summary

Fields inherited from class orc.runtime.values.Value

futureNotReady

Constructor Summary

Let()

Method Summary

static java.lang.Object	condense(java.lang.Object[] values) Classic 'let' functionality.
java.lang.Object	evaluate(Args args)
Type	type()

Methods inherited from class orc.runtime.sites.EvalSite

callSite

Methods inherited from class orc.runtime.sites.Site

accept, createCall

Methods inherited from class orc.runtime.values.Value

forceArg, forceCall, signal, write

Methods inherited from class java.lang.Object

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

Constructor Detail

Let

public Let()

Method Detail

type

public Type type()
          throws TypeException

Overrides:

type in class Site

Throws:

TypeException

condense

public static java.lang.Object condense(java.lang.Object[] values)

Classic 'let' functionality. Reduce a list of argument values into a single value as follows: Zero arguments: return a signal One argument: return that value Two or more arguments: return a tuple of values

evaluate

public java.lang.Object evaluate(Args args)
                          throws TokenException

Specified by:

evaluate in class EvalSite

Throws:

TokenException