net.sf.arise.piji.fun
Class DefineFunction

java.lang.Object
  |
  +--net.sf.arise.piji.AbstractFunction
        |
        +--net.sf.arise.piji.fun.DefineFunction

All Implemented Interfaces:

Function

public final class DefineFunction

extends AbstractFunction

define takes a symbol and a value and binds the value to that symbol in the current context.

Author:

Kjetil Valstadsve

Constructor Summary

DefineFunction(Context context)

Method Summary

java.lang.Object

apply(Context context, Expression[] args) Applies the function to a set of values in a given context and returns the result

Methods inherited from class net.sf.arise.piji.AbstractFunction

checkArgumentCount, checkLeaf, checkLeaf, checkList, checkList, checkString, checkString, checkSymbol, checkSymbol, checkSymbol, checkSymbol, fillContext, fillContext, getArgumentCount, getContext, getDocumentationString, isLeaf, isList, isString, isSymbol, isVararg

Methods inherited from class java.lang.Object

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

Constructor Detail

DefineFunction

public DefineFunction(Context context)

Method Detail

apply

public java.lang.Object apply(Context context,
                              Expression[] args)
                       throws java.lang.Throwable

Description copied from interface: Function

Applies the function to a set of values in a given context and returns the result

Specified by:

apply in interface Function

Specified by:

apply in class AbstractFunction

Parameters:

context - The context to apply this function in

Returns:

The result of the function applied to the arguments in the context

java.lang.Throwable