@hackage contravariant1.2.1

Contravariant functors

Installation
In your cabal file:
Dependencies (7)
- base <5
- ghc-prim
- transformers >=0.2 && <0.5
- semigroups >=0.15.2 && <1
- tagged >=0.4.4 && <1
- transformers-compat >=0.3 && <1
Dependents (193)
@hackage/theatre, @hackage/monad-choice, @hackage/thorn, @hackage/box, @hackage/prednote, @hackage/sv, Show all…

tagged

(on by default)

You can disable the use of the tagged package on older versons of GHC using `-f-tagged`.

Disabling this is an unsupported configuration, but it may be useful for accelerating builds in sandboxes for expert users.

semigroups

(on by default)

You can disable the use of the semigroups package on older versons of GHC using `-f-semigroups`.

Disabling this is an unsupported configuration, but it may be useful for accelerating builds in sandboxes for expert users.

Contravariant functors