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

1 -> output

--------------------------------------------------------------------------------

(root
  (statement
    (expression
      (yield
        (expression
          (value
            (integer)))
        (function_call
          (built_in_function))))))

================================================================================
Long Yield
================================================================================

[1, 2, 3]
  -> add_one
  -> subtract_one
  -> foobar
  -> output

--------------------------------------------------------------------------------

(root
  (statement
    (expression
      (yield
        (expression
          (yield
            (expression
              (yield
                (expression
                  (yield
                    (expression
                      (value
                        (list
                          (expression
                            (value
                              (integer)))
                          (expression
                            (value
                              (integer)))
                          (expression
                            (value
                              (integer))))))
                    (function_call
                      (identifier))))
                (function_call
                  (identifier))))
            (function_call
              (identifier))))
        (function_call
          (built_in_function))))))