OnEmpty.ReturnNull

java.lang.Object
- com.saxonica.ee.bytecode.util.OnEmpty
- - com.saxonica.ee.bytecode.util.OnEmpty.ReturnNull

Enclosing class:

OnEmpty
```
public static class OnEmpty.ReturnNull
extends OnEmpty
```
The ReturnNull subclass indicates that when an expression evaluates to the empty sequence, the value should be returned as a Java null. This works only for types represented as Java objects, that is, String and CharSequence.

- Nested Class Summary
  - Nested classes/interfaces inherited from class com.saxonica.ee.bytecode.util.OnEmpty
    OnEmpty.ReturnEmptyString, OnEmpty.ReturnNull, OnEmpty.UnwindAndJump
- Field Summary
  - Fields inherited from class com.saxonica.ee.bytecode.util.OnEmpty
    RETURN_EMPTY_STRING, RETURN_NULL
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ReturnNull()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  void generate(Generator ga)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ReturnNull
```
public ReturnNull()
```
- Method Detail
  - generate
```
public void generate(Generator ga)
```
    Specified by:
    
    generate in class OnEmpty