EmptyExpression (Groovy 2.5.16)

java.lang.Object
- org.codehaus.groovy.ast.ASTNode
- - org.codehaus.groovy.ast.AnnotatedNode
  - - org.codehaus.groovy.ast.expr.Expression
    - - org.codehaus.groovy.ast.expr.EmptyExpression

```
public class EmptyExpression
extends Expression
```
This class is a place holder for an empty expression.
Empty expressions are used in closures lists like (;). During class generation this expression should be either ignored or replaced with a null value.

See Also:

EmptyStatement

Field Summary

Fields
Modifier and Type Field Description

static EmptyExpression INSTANCE

Constructor Summary

Constructors
Constructor Description

EmptyExpression()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Expression`	`transformExpression(ExpressionTransformer transformer)`	Return a copy of the expression calling the transformer on any nested expressions
`void`	`visit(GroovyCodeVisitor visitor)`

Methods inherited from class org.codehaus.groovy.ast.expr.Expression
getType, setType, transformExpressions, transformExpressions

Methods inherited from class org.codehaus.groovy.ast.AnnotatedNode
addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSynthetic

Methods inherited from class org.codehaus.groovy.ast.ASTNode
copyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, getNodeMetaData, getNodeMetaData, getText, putNodeMetaData, removeNodeMetaData, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setNodeMetaData, setSourcePosition

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

- Field Detail
  - INSTANCE
```
public static final EmptyExpression INSTANCE
```
- Constructor Detail
  - EmptyExpression
```
public EmptyExpression()
```
- Method Detail
  - transformExpression
```
public Expression transformExpression(ExpressionTransformer transformer)
```
    Description copied from class: Expression
    
    Return a copy of the expression calling the transformer on any nested expressions
    
    Specified by:
    
    transformExpression in class Expression
  - visit
```
public void visit(GroovyCodeVisitor visitor)
```
    Overrides:
    
    visit in class ASTNode