The config-ini Haskell library exports some simple monadic functions to ease the parsing of .ini-style configuration files, and to write and update them in an efficient diff-minimal way. This means that if you parse a file, update a single field, and reserialize, that file should differ only in the field we changed and that's it: field order, comments, and incidental whitespace will remain unchanged. The library aims to produce human-readable error messages when things go wrong.

Contravariant functors for Haskell.

This package is a compatibility package for a singleton data type . > data Solo a = Solo a . Note: it's not a @newtype@ . @Solo@ is available in @base-4.16@ (GHC-9.2).

This package provides a minimal host for SDL2-based Reflex applications.

This package provides the core modules underlying diagrams, an embedded domain-specific language for compositional, declarative drawing.

This package provides utilities to inline C++ code into Haskell using inline-c.

This library contains scalable timer functions provided by a timer manager.

Easy-to-write domain-specific language (DSL) for building Scalable Vector Graphics (SVG).

The ghc-ini Haskell library lets programmers quickly and easily read and write configuration files in the simple INI format.

This package provides a commutative semigroup is a semigroup where the order of arguments to mappend does not matter.

This library provides phantom types for Haskell 98, to avoid having to unsafely pass dummy arguments.

This package addresses the 'configuration problem' which is propagating configurations that are available at run-time, allowing multiple configurations to coexist without resorting to mutable global variables or System.IO.Unsafe.unsafePerformIO.

This package provides Haskell library for matching files using patterns such as \"src\/**\/*.png\" for all @file.png files recursively under the @filesrc directory.

Some of its features include:

• All matching is O(n).

• Most functions pre-compute some information given only one argument.

• Uses match and substitute to extract suitable strings from the * and ** matches, and substitutes them back into other patterns.

• Uses step and matchMany to perform bulk matching of many patterns against many paths simultaneously.

• Uses System.FilePattern.Directory to perform optimised directory traverals using patterns.

This package implements selective applicative functors, which allow you to declare your effects statically, and select which to execute dynamically. See the paper on selective functors for more details.

This package provides a fast, reliable priority queue implementation based on a binomial heap.

FoldMap lists are lists represented by their foldMap function. FoldMap lists have O(1) cons, snoc and append, just like DLists, but other operations might have favorable performance characteristics as well. These wild claims are still completely unverified though.

This package provides distributive functors for Haskell. Dual to Traversable.

This package (formerly binary-serialise-cbor) provides an efficient implementation of the Concise Binary Object Representation (CBOR), as specified by RFC 7049 at https://tools.ietf.org/html/rfc7049.

If you are looking for a library for serialisation of Haskell values, have a look at the https://hackage.haskell.org/package/serialise package, which is built upon this library.

An implementation of the standard bijection between CBOR and JSON is provided by the https://hackage.haskell.org/package/cborg-json package.

Also see https://hackage.haskell.org/package/cbor-tool for a convenient command-line utility for working with CBOR data.

An integration library for hspec and hedgehog.

This Haskell package provides a lens library, just like ghc-lens, but smaller. It provides essential lenses and traversals (like _1 and _Just), as well as ones which are simply nice to have (like each, at, and ix), and some combinators (like failing and singular), but everything else is stripped. As the result, this package has no dependencies.

This is library provides utility to use Netlink from Haskell. The scope of this package extends over general Netlink support to specific implementations of Netlink families.

This Haskell package defines typeclasses used for converting Haskell data types to and from HTTP API data.

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 data structures. The package provides instances for basic types and a way to combine hash values.

This library provides extra functions for the standard Haskell libraries. Most functions are simple additions, filling out missing functionality. A few functions are available in later versions of GHC, but this package makes them available back to GHC 7.2.