@hackage lens-prelude dependencies

14 results

Efficient Arrays

Concrete functor and monad transformers

An efficient packed Unicode text type.

Monad classes for transformers, using functional dependencies

Assorted concrete container types

Fast, compact, strict and lazy byte strings with a list interface

Core data structures and operations

Mutable and immutable arrays

Efficient hashing-based container types

A time library

Lenses, Folds and Traversals

A class for types that can be converted to a hash value

Combinators for working with sums

Contravariant functors