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

1 -> output

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

(root
  (statement
    (expression
      (yield
        (expression
          (value
            (integer)))
        (function_expression
          (value
            (built_in_value)))))))

================================================================================
Yield Chain
================================================================================

x -> foo -> bar -> abc

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

(root
  (statement
    (expression
      (yield
        (expression
          (yield
            (expression
              (yield
                (expression
                  (identifier))
                (function_expression
                  (identifier))))
            (function_expression
              (identifier))))
        (function_expression
          (identifier))))))

================================================================================
Yielded Function Call
================================================================================

x -> foo(1)()

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

(root
  (statement
    (expression
      (function_call
        (function_expression
          (function_call
            (function_expression
              (yield
                (expression
                  (identifier))
                (function_expression
                  (identifier))))
            (expression
              (value
                (integer)))))))))