@haskell/transformers
Concrete functor and monad transformers
@haskell/text
An efficient packed Unicode text type.
@haskell/mtl
Monad classes for transformers, using functional dependencies
@haskell/containers
Assorted concrete container types
@haskell/bytestring
Fast, compact, strict and lazy byte strings with a list interface
@haskell/base
Core data structures and operations
@haskell/array
Mutable and immutable arrays
@hackage/pretty
Pretty-printing library