==================
Simple Yield
==================

1 -> output

---

(root
  (item
    (statement
      (yield
        (expression
          (value
            (integer)))
        (expression
          (identifier))))))

==================
Complex Yield
==================

1 + 1 -> to_string -> output

---

(root
  (item
    (statement
      (yield
        (expression
          (math
            (expression
              (value
                (integer)))
            (math_operator)
            (expression
              (value
                (integer)))))
        (expression
          (identifier))
        (expression
          (identifier))))))