This package provides efficient vector-based hashtable implementation similar to .NET Generic Dictionary implementation (at the time of 2015).

This package enables users to expand type synonyms in Template Haskell abstract syntax trees (ASTs).

Atomically write to a file on POSIX-compliant systems while preserving permissions. mv is an atomic operation. This makes it simple to write to a file atomically just by using the mv operation. However, this will destroy the permissions on the original file. This library preserves permissions while atomically writing to a file.

Containers with merging via monoidal accumulation. The Monoid instances provided by the containers and unordered-containers packages merge structures in a left-biased manner instead of using the underlying monoidal structure of the value. This package wraps the types provided by these packages, but provides Monoid instances implemented in terms of the value type's mappend'.

This package provides Haskell bindings to the the POSIX network database (<netdb.h>) API.

The PGP Word List consists of two phonetic alphabets, each with one word per possible byte value. A string of bytes is translated with these alphabets, alternating between them at each byte.

The PGP words corresponding to the bytes 5B 1D CA 6E are "erase breakaway spellbind headwaters", for example.

For further information, see http://en.wikipedia.org/wiki/PGP_word_list.

This package allows you to use Template Haskell to read a file or all the files in a directory, and turn them into (path, bytestring) pairs embedded in your Haskell code.

This library provides peek and poke functions for network byte order.

This package provides the number parsers without the need to use a large (and unportable) token parser.

This package provides a Dec type for representing deciable relations.

type Neg a = a -> Void

data Dec a
    = Yes a
    | No (Neg a)

This library provides tools for fast Unicode 12.1.0 normalization in Haskell (normalization forms C, KC, D, and KD).

Highlighting-kate is a syntax highlighting library with support for nearly one hundred languages. The syntax parsers are automatically generated from Kate syntax descriptions, so any syntax supported by Kate can be added. An (optional) command-line program is provided, along with a utility for generating new parsers from Kate XML syntax descriptions.

This library provides functions available in later versions of base to a wider range of compilers, without requiring you to use CPP pragmas in your code. This package provides the same API as the base-compat library, but depends on compatibility packages (such as semigroups) to offer a wider support window than base-compat, which has no dependencies.

This library provides Haskell bindings to the MySQL mysqlclient client library. It is a fairly faithful, low level library that implements most of the MySQL client API. The major departure from the C API is that in Haskell, resource management is mostly automatic and safe.

This library deliberately avoids the question of providing a ``good'' API. Its purpose is to serve as a base upon which higher-level libraries can be built.

This library provides Haskell bindings to the Zstandard compression algorithm, a fast lossless compression algorithm targeting real-time compression scenarios at zlib-level and better compression ratios.

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.

Prior to base-4.7.0.0 there was no Eq instance for ErrorCall. This package provides an orphan instance.

This package provides automatic formatting for Haskell files. Both a library and an executable.

This package provides vaults for Haskell. A vault is a persistent store for values of arbitrary types. It's like having first-class access to the storage space behind IORefs. The data structure is analogous to a bank vault, where you can access different bank boxes with different keys; hence the name. Also provided is a locker type, representing a store for a single element.

Lightweight pure data validation based on Applicative and Selective functors.

A decimal number has an integer mantissa and a negative exponent. The exponent can be interpreted as the number of decimal places in the value.

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

This Haskell library provides implementations of special mathematical functions and Chebyshev polynomials. These functions are often useful in statistical and numerical computing.

This library provides Comonads for Haskell.