Package com.singularsys.jep.misc.dictionary

Class Clear

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.UnaryFunction

com.singularsys.jep.misc.dictionary.Clear

All Implemented Interfaces:

PostfixMathCommandI, Serializable

public class Clear
extends UnaryFunction

Clears the map.

map = {'x':2, 'y':3};
clear(map);

The function always returns nullValue is returned.

Since:

Jep 4.1

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.singularsys.jep.functions.UnaryFunction

UnaryFunction.FunctionWithException<T>

Field Summary

Fields

Modifier and Type	Field	Description
final Object	nullValue

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, description, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
Clear(Object nullValue)	Constructor

Method Summary

Modifier and Type	Method	Description
Object	eval(Object l)	Evaluate the function
protected Object	eval(List<Object> list)
protected Object	eval(Map<Object,Object> map)

Methods inherited from class com.singularsys.jep.functions.UnaryFunction

instanceOf, instanceOf, instanceOf, instanceOf, run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, asType, checkNumberOfParameters, getDescription, getDescription, getDescriptionWithType, getName, getNumberOfParameters, setCurNumberOfParameters, setDescription, setName, toString, toString

Methods inherited from class java.lang.Object

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

Field Details

nullValue

public final Object nullValue

Constructor Details

Clear

public Clear(Object nullValue)

Constructor

Parameters:

nullValue - return value of function

Method Details

eval

public Object eval(Object l)
            throws EvaluationException

Description copied from class: UnaryFunction

Evaluate the function

Specified by:

eval in class UnaryFunction

Parameters:

l - the single argument passed in

Returns:

the result of the function

Throws:

EvaluationException - on error

eval

protected Object eval(Map<Object,Object> map)

eval

protected Object eval(List<Object> list)