Package org.codehaus.groovy.ast.expr
Class EmptyExpression
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
- All Implemented Interfaces:
- GroovydocHolder<AnnotatedNode>,- NodeMetaDataHandler
Placeholder for an empty expression. Empty expressions are used in closures
 lists like (;). During class generation empty expressions should be ignored
 or replaced with a null value.
- See Also:
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Field SummaryFieldsModifier and TypeFieldDescriptionstatic final EmptyExpressionImmutable singleton that is recommended for use when source range or any other occurrence-specific metadata is not needed.Fields inherited from class org.codehaus.groovy.ast.expr.ExpressionEMPTY_ARRAYFields inherited from interface groovy.lang.groovydoc.GroovydocHolderDOC_COMMENT
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptiontransformExpression(ExpressionTransformer transformer) Transforms this expression and any nested expressions.voidvisit(GroovyCodeVisitor visitor) Methods inherited from class org.codehaus.groovy.ast.expr.ExpressiongetType, setType, transformExpressions, transformExpressionsMethods inherited from class org.codehaus.groovy.ast.AnnotatedNodeaddAnnotation, addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, getGroovydoc, getInstance, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSyntheticMethods inherited from class org.codehaus.groovy.ast.ASTNodecopyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, getText, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap, setSourcePositionMethods inherited from class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.codehaus.groovy.ast.NodeMetaDataHandlercopyNodeMetaData, getNodeMetaData, getNodeMetaData, getNodeMetaData, newMetaDataMap, putNodeMetaData, removeNodeMetaData, setNodeMetaData
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Field Details- 
INSTANCEImmutable singleton that is recommended for use when source range or any other occurrence-specific metadata is not needed.
 
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Constructor Details- 
EmptyExpressionpublic EmptyExpression()- See Also:
 
 
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Method Details- 
transformExpressionDescription copied from class:ExpressionTransforms this expression and any nested expressions.- Specified by:
- transformExpressionin class- Expression
 
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visit
 
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