slots empty? [ struct-must-have-slots ] when
class redefine-struct-tuple-class
slots make-slots dup check-struct-slots :> slot-specs
+ slot-specs offsets-quot call :> unaligned-size
slot-specs struct-alignment :> alignment
- slot-specs offsets-quot call alignment align :> size
+ unaligned-size alignment align :> size
class slot-specs size alignment c-type-for-class :> c-type