@hackage/exceptions
Extensible optionally-pure exceptions
@hackage/monad-control
Lift control operations, like exception catching, through monad transformers
@hackage/base
Core data structures and operations
@hackage/mmorph
Monad morphisms
@hackage/mtl
Monad classes for transformers, using functional dependencies
@hackage/hset
Primitive list with elements of unique types.
@hackage/transformers-base
Lift computations from the bottom of a transformer stack