Generate data-files Cabal file field from existing files

Utilities for filtering

Finite totally ordered sets

Simple integral finite set

Find cycles in periodic functions (and lists)

Fixpoint data types

Common subexpression elimination for the fixploint types

A package for working with bit masks and flags in general

An efficient data type for sets of flags

Fold function applications. Framework for variadic functions.

Specify that lifted values were forced to WHNF or NF

A simple multi-way tree data structure

Interface and functor transformers for fresh values

Map the arguments and return value of functions

Write functions in tacit (pointless) style using Applicative and De Bruijn index notation

Updatable analogue of Distributive functors

Simple extensible product

Combinators for building fast hashing functions

Extending the concept of indices for lists and other containers

Interval datatype, interval arithmetic and interval-based containers

A simple lazy, infinite trie from integers

Write-once variables with concurrency support

Json Token datatype

Sculpt mutable recursive data with reference equality; bake it using a data kiln into an immutable lazy structure

Data layering utilities. Layer is a data-type which wrapps other one, but keeping additional information. If you want to access content of simple newtype object, use Lens.Wrapper instead.

Read/write arbitrary binary layouts to a "Data.Vector.Storable".

Used to be Haskell 98 Lenses

Lenses

A Lens for IxSet

Utilities for Data.Lens

Utilities for working with sequences within lists

A list but with a balanced enumeration of Cartesian product

Data.Map with multiple, unique keys

Combinators for building memo tables

A Haskell implementation of MessagePack

A Haskell implementation of MessagePack

Data types for named entities

data Nat = Zero | Succ Nat

Represent hierachichal structures, called objects in JSON. (deprecated)

Serialize JSON data to/from Haskell using the data-object library. (deprecated)

Serialize data to and from Yaml files (deprecated)

A data type for non-exclusive disjunction

Set and bag operations on ordered lists

A pure disjoint set (union find) data structure

Read PDF form fields

Prettyprint and compare Data values

Prometheus metrics text format

Reference cells that need two independent indices to be accessed

R-Tree is a spatial data structure similar to Quadtrees or B-Trees

Reify a recursive data structure into an explicit graph

Common Sub-Expression Elimination for graphs generated by Data.Reify.

Data.Reify for GADTs

Alternative to Show data printing utility

Data types for returning results distinguishable by types

A typeclass for reversing order of contents

Ropes, an alternative to (Byte)Strings

Recursive tuple data structure. It is very usefull when implementing some lo-level operations, allowing to traverse different elements using Haskell's type classes.

Common API for serialization libraries

Profiling of data structures

Stochastic streaming algorithms for approximate computation on large datasets. Includes KLL, HLL, Theta, Count-Min, and REQ sketches.

Deprecated. Now called "spacepart". Space partitioning data structures.

A collection of standards representable by simple data types

Type safe, in-memory dictionary with multidimensional keys

An efficient implementation of maps from strings to arbitrary values

Program that infers the fastest data structure available for your program

SVD (System view description) file handling

Shorter binary words

Tensor and Group typeclasses

Human-friendly textual representations

64-bit timeouts of nanosecond precision

Functions to transform data structures

Print Data instances as a nested tree

Reify a recursive data structure into an explicit graph

Basic type wrangling types and classes

utilities for handle data

A library for creating type safe validations

A variant data type, useful for modeling dynamically-typed programming languages

Dynamic growable resizable mutable generic vector

Class for types with a database id

HasId/Groundhog interop

Database versioning and migration (experimental)

Demonstrate how a database can be implemented the functional way

Encryption library

Datadog client for Haskell. Supports both the HTTP API and StatsD.

Datadog tracing client and mock agent

Data encoding library

Fixing data-flow problems

Generate Graphviz documents from a Haskell representation

A Pure-Haskell Timely Dataflow System

A fast, safe, and intuitive DataFrame library

SIMD-accelerated CSV reader for the dataframe library

Converts between dataframes and hasktorch tensors

Persistent database integration for the dataframe library

A fast, safe, and intuitive DataFrame library

An implementation of datalog in Haskell

Tool to help pack files into the minimum number of CDs/DVDs/etc

Client for DataRobot API