================================================================================
logical
================================================================================

_true _and _true
_false _or _true
_true _xor _false
_true _andif _true
_false _orif _true
_false _xorif _true

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

(source_file
  (fragment
    (logical_operator
      (true)
      (true)))
  (fragment
    (logical_operator
      (false)
      (true)))
  (fragment
    (logical_operator
      (true)
      (false)))
  (fragment
    (logical_operator
      (true)
      (true)))
  (fragment
    (logical_operator
      (false)
      (true)))
  (fragment
    (logical_operator
      (false)
      (true))))

================================================================================
parallel assignment
================================================================================

(a,b,c) << (1,2,3)

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

(source_file
  (fragment
    (assignment
      (parenthesized_expression
        (variable)
        (variable)
        (variable))
      (parenthesized_expression
        (number)
        (number)
        (number)))))
