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- All Superinterfaces:
- ExpressionTree,- Tree
 
 @Deprecated(since="11", forRemoval=true) public interface FunctionExpressionTree extends ExpressionTree Deprecated, for removal: This API element is subject to removal in a future version.Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.A tree node for function expressions including arrow functions. For example:var func = function ( parameters ) bodyvar func = (x) => x+1 - Since:
- 9
 
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Method SummaryAll Methods Instance Methods Abstract Methods Deprecated Methods Modifier and Type Method Description TreegetBody()Deprecated, for removal: This API element is subject to removal in a future version.Returns the body of this function.IdentifierTreegetName()Deprecated, for removal: This API element is subject to removal in a future version.Returns the name of the function being declared.List<? extends ExpressionTree>getParameters()Deprecated, for removal: This API element is subject to removal in a future version.Returns the parameters of this function.booleanisArrow()Deprecated, for removal: This API element is subject to removal in a future version.Is this a arrow function?booleanisGenerator()Deprecated, for removal: This API element is subject to removal in a future version.Is this a generator function?booleanisStrict()Deprecated, for removal: This API element is subject to removal in a future version.Is this a strict function?- 
Methods declared in interface jdk.nashorn.api.tree.Treeaccept, getEndPosition, getKind, getStartPosition
 
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Method Detail- 
getNameIdentifierTree getName() Deprecated, for removal: This API element is subject to removal in a future version.Returns the name of the function being declared.- Returns:
- name the function declared
 
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getParametersList<? extends ExpressionTree> getParameters() Deprecated, for removal: This API element is subject to removal in a future version.Returns the parameters of this function.- Returns:
- the list of parameters
 
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getBodyTree getBody() Deprecated, for removal: This API element is subject to removal in a future version.Returns the body of this function. This may be aBlockTreewhen this function has a block body. This is anExpressionTreewhen the function body is a concise expression as in an expression arrow, or in an expression closure.- Returns:
- the body of this function
 
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isStrictboolean isStrict() Deprecated, for removal: This API element is subject to removal in a future version.Is this a strict function?- Returns:
- true if this function is strict
 
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isArrowboolean isArrow() Deprecated, for removal: This API element is subject to removal in a future version.Is this a arrow function?- Returns:
- true if this is a arrow function
 
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isGeneratorboolean isGenerator() Deprecated, for removal: This API element is subject to removal in a future version.Is this a generator function?- Returns:
- true if this is a generator function
 
 
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