jscheme
Interface SchemeSymbol

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

Symbol

public interface SchemeSymbol

extends java.io.Serializable

A SchemeSymbol is an object that can be defined or not. SchemeSymbols are created using the REPL.internSchemeSymbol(string) and are initially undefined. Its value can be queried and set. Getting the value of an undefined SchemeSymbol throws an error. method. Getting

Method Summary

java.lang.Object	getGlobalValue() Getting the value of an undefined SchemeSymbol throws a SchemeException
boolean	isDefined() SchemeSymbols are initially undefined.
java.lang.Object	setGlobalValue(java.lang.Object newval) The value can be set to anything

Method Detail

isDefined

public boolean isDefined()

SchemeSymbols are initially undefined.

getGlobalValue

public java.lang.Object getGlobalValue()

Getting the value of an undefined SchemeSymbol throws a SchemeException

setGlobalValue

public java.lang.Object setGlobalValue(java.lang.Object newval)

The value can be set to anything