@hackage/lens
Lenses, Folds and Traversals
@hackage/exceptions
Extensible optionally-pure exceptions
@hackage/template-haskell
Support library for Template Haskell
@hackage/base
Core data structures and operations
@hackage/stm
Software Transactional Memory
@hackage/mtl
Monad classes for transformers, using functional dependencies
@hackage/vty
A simple terminal UI library
@hackage/transformers
Concrete functor and monad transformers
@hackage/data-default-class
A class for types with a default value (compatibility shim)
@hackage/vector
Efficient Arrays