NullWrappedUnary (Jep with extensions API )

java.lang.Object
- com.singularsys.jep.functions.PostfixMathCommand
- - com.singularsys.jep.functions.UnaryFunction
  - - com.singularsys.jep.misc.nullwrapper.functions.NullWrappedUnary

All Implemented Interfaces:

NullWrappedFunctionI, PostfixMathCommandI, java.io.Serializable
```
public class NullWrappedUnary
extends UnaryFunction
implements NullWrappedFunctionI
```
Null wrapped version of a unary function. fun(null) will return null

Since:

3.4

Author:

Richard Morris

See Also:

UnaryFunction, Serialized Form

Field Summary
- Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand
  curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

Constructors
Constructor Description

NullWrappedUnary(UnaryFunction fun)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`eval(java.lang.Object arg)`
`PostfixMathCommandI`	`getRoot()`	Get to function which this function wraps.
`void`	`setName(java.lang.String name)`	Sets the name of the function used for error messages

Methods inherited from class com.singularsys.jep.functions.UnaryFunction
instanceOf, instanceOf, run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand
asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, getName, getNumberOfParameters, setCurNumberOfParameters, toString, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - NullWrappedUnary
```
public NullWrappedUnary(UnaryFunction fun)
```
    Parameters:
    
    fun -
- Method Detail
  - getRoot
```
public PostfixMathCommandI getRoot()
```
    Description copied from interface: NullWrappedFunctionI
    
    Get to function which this function wraps.
    
    Specified by:
    
    getRoot in interface NullWrappedFunctionI
    
    Returns:
    
    the root function, may be "this".
  - setName
```
public void setName(java.lang.String name)
```
    Description copied from interface: PostfixMathCommandI
    
    Sets the name of the function used for error messages
    
    Specified by:
    
    setName in interface PostfixMathCommandI
    
    Overrides:
    
    setName in class PostfixMathCommand
    
    Parameters:
    
    name - the function name
  - eval
```
public java.lang.Object eval(java.lang.Object arg)
                      throws EvaluationException
```
    Specified by:
    
    eval in class UnaryFunction
    
    Throws:
    
    EvaluationException