data CodeSegment {l1 l2 : Level} (A : Set l1) (B : Set l2) : Set (l @$\sqcup$@ l1 @$\sqcup$@ l2) where
  cs : {{_ : DataSegment A}} {{_ : DataSegment B}}
        @$\rightarrow$@ (A @$\rightarrow$@ B) @$\rightarrow$@ CodeSegment A B