NoIfaceVectInfo :: IfaceVectInfo -> Bool
isNoIfaceVectInfo (IfaceVectInfo l1 l2 l3 l4 l5)
  = null l1 && null l2 && null l3 && null l4 && null l5


isNoIfaceVectInfo :: IfaceVectInfo -> Bool
isNoIfaceVectInfo (IfaceVectInfo l1 l2 l3 l4 l5)
  = null l1 && null l2 && null l3 && null l4 && null l5
isNoIfaceVectInfo (IfaceVectInfo l1 l2 l3 l4 l5)
  = null l1 && null l2 && null l3 && null l4 && null l5