semantic/test/fixtures/javascript/yield.diffB-A.txt

(Program
  (ExpressionStatements
    (Function
      (Identifier)
      (ExpressionStatements
        (VarDecl
          (VarAssignment
            (Identifier)
            (NumberLiteral)))
      (Yield {
        (MathOperator
          (Identifier)
          (Other "++"))
        ->
        (Identifier) })))))