Numeric.Nat.Zeroless
data D0
data D1 n
data D2 n
type n :+: m
type family n :*: m
class Zeroless n
type family Succ n
type family Pred n
data LT
data GT
data EQ
type Compare m n
type N1
type N8
type N16
type N32
type N64
data Nat n
nat
data Fin n
type Reverse n