attoparsec

A fast parser combinator library, aimed particularly at dealing efficiently with network protocols and complicated text/binary file formats.

Official docs outline

Extra Credit builds an outline of attoparsec's docs the first time your work uses it. Until then, start at the official documentation.

hashable This package defines a class, Hashable, for types that can be converted to a hash value. This class exists for the benefit of hashing-based
network This package provides a low-level networking interface. Other packages provide higher level interfaces: connection hookup network-simple
primitive
semigroups In mathematics, a semigroup is an algebraic structure consisting of a set together with an associative binary operation. A semigroup general
mtl MTL is a collection of monad classes, extending the transformers package, using functional dependencies for generic lifting of monadic actio
unordered-containers
conduit conduit is a solution to the streaming data problem, allowing for production, transformation, and consumption of streams of data in constant
QuickCheck QuickCheck is a library for random testing of program properties. The programmer provides a specification of the program, in the form of pro
random This package provides basic pseudo-random number generation, including the ability to split random number generators. In pure code, use Sys
lens This package comes "Batteries Included" with many useful lenses for the types commonly used from the Haskell Platform, and with tools for au
vector . An efficient implementation of Int-indexed arrays (both mutable and immutable), with a powerful loop optimisation framework . . It is stru
dlist List-like types supporting O(1) append and snoc operations.