@hackage/either
Combinators for working with sums
@hackage/monad-control
Lift control operations, like exception catching, through monad transformers
@hackage/base
Core data structures and operations
@hackage/mtl
Monad classes for transformers, using functional dependencies
@hackage/kan-extensions
Kan extensions, Kan lifts, the Yoneda lemma, and (co)density (co)monads
@hackage/profunctors
Profunctors
@hackage/transformers
Concrete functor and monad transformers
@hackage/containers
Assorted concrete container types
@hackage/transformers-base
Lift computations from the bottom of a transformer stack