================================================================================
Line continuation in expression
================================================================================

result = first_value + $
  second_value

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

(source_file
  (assignment
    (identifier)
    (binary_expression
      (identifier)
      (identifier))))

================================================================================
Multiple line continuations
================================================================================

result = a + $
  b + $
  c

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

(source_file
  (assignment
    (identifier)
    (binary_expression
      (binary_expression
        (identifier)
        (identifier))
      (identifier))))
