data-lens-2.10.7: Used to be Haskell 98 Lenses
Control.Category.Product
class Category c => Tensor c where
Minimal complete definition
(***)
Methods
(***) :: c w x -> c y z -> c (w, y) (x, z) infixr 3
first :: c w x -> c (w, z) (x, z)
second :: c y z -> c (w, y) (w, z)
Instances