Module jdk.scripting.nashorn
Package jdk.nashorn.api.tree

Interface YieldTree

All Superinterfaces:
ExpressionTree, Tree
@Deprecated(since="11",
            forRemoval=true)
public interface YieldTree
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 yield expressions used in generator functions. For example: 
 function* id(){
     var index = 0;
     while(index < 10)
         yield index++;
 }
Since:
9

  • Nested Class Summary

    Nested classes/interfaces declared in interface jdk.nashorn.api.tree.Tree

    Tree.Kind

  • Method Summary

    Modifier and Type Method Description
    ExpressionTree getExpression()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Returns the expression that is yielded.
    boolean isStar()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Is this a yield * expression in a generator function?

    Methods declared in interface jdk.nashorn.api.tree.Tree

    accept, getEndPosition, getKind, getStartPosition

  • Method Details

    • getExpression

      ExpressionTree getExpression()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Returns the expression that is yielded.
      Returns:
      The expression that is yielded.

    • isStar

      boolean isStar()
      Deprecated, for removal: This API element is subject to removal in a future version.
      Is this a yield * expression in a generator function? For example: 
       function* id(){
     yield 1;
     yield * anotherGeneratorFunc();
     yield 10;
 }
      Returns:
      true if this is a yield * expression