The right-hand-side of colon-equal (:=) in the object has more than one operator.\n The type-rules corresponding to

[farnooshY]

The right-hand-side of colon-equal (:=) in the object has more than one operator.\n The type-rules corresponding to the colon-equal (:=) apply only \n to the first operator and not the entire expression.\n In order to get the full benefit of the colon-assignment, \n you need to break it up into multiple colon-assignments with a single operator each


cdr