Package com.googlecode.aviator.runtime.function.system

Class IsDefFunction

java.lang.Object

com.googlecode.aviator.runtime.type.AviatorObject

com.googlecode.aviator.runtime.function.AbstractFunction

com.googlecode.aviator.runtime.function.system.IsDefFunction

All Implemented Interfaces:

AviatorFunction, Serializable, Runnable, Callable<AviatorObject>

public class IsDefFunction
extends AbstractFunction

is_def(x) returns true when variable x is defined in current scope or parent scopes.

Author:

dennis(killme2008@gmail.com)

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.googlecode.aviator.runtime.type.AviatorObject

metadata

Constructor Summary

Constructors

Constructor	Description
IsDefFunction()

Method Summary

Modifier and Type	Method	Description
AviatorObject	call(Map<String,Object> env, AviatorObject arg1)
String	getName()	Get the function name

Methods inherited from class com.googlecode.aviator.runtime.function.AbstractFunction

call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, call, desc, getAviatorType, getValue, innerCompare, run, throwArity

Methods inherited from class com.googlecode.aviator.runtime.type.AviatorObject

add, bitAnd, bitNot, bitOr, bitXor, booleanValue, compare, compareEq, defineValue, deref, div, exponent, getElement, getMetadata, isNull, match, meta, mod, mult, neg, not, numberValue, setValue, shiftLeft, shiftRight, stringValue, sub, toString, unsignedShiftRight, withMeta, withoutMeta

Methods inherited from class java.lang.Object

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

Constructor Details

IsDefFunction

public IsDefFunction()

Method Details

getName

public String getName()

Description copied from interface: AviatorFunction

Get the function name

Returns:

call

public AviatorObject call(Map<String,Object> env,
 AviatorObject arg1)

Specified by:

call in interface AviatorFunction

Overrides:

call in class AbstractFunction