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This package provides a Haskell module for creating 2D and 3D plots using gnuplot.
This library implements a technique to catch all exceptions raised within an enclosed computation, while remaining responsive to (external) asynchronous exceptions.
This package provides implementation of the Wagner-Fischer dynamic programming algorithm to find the optimal edit script and cost between two sequences. The implementation in this package is specialised to sequences represented with Data.Vector but is otherwise agnostic to:
The type of values in the vectors;
The type representing edit operations; and
The type representing the cost of operations.
Haddock is a documentation-generation tool for Haskell libraries.
This Haskell package provides the core MonadUnliftIO typeclass, instances for base and transformers, and basic utility functions.
Automatically discover and run Hspec tests . <http://hspec.github.io/hspec-discover.html>
Protolude gives you sensible defaults for writing custom Preludes to replace the standard one provided by GHC.
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.
A Haskell 98 logically uninhabited data type, used to indicate that a given term should not exist.
Lets multiple threads and external processes concurrently output to the console, without it getting all garbled up.
Built on top of that is a way of defining multiple output regions, which are automatically laid out on the screen and can be individually updated by concurrent threads. Can be used for progress displays etc.
Get terminal window height and width without ncurses dependency.
Long lived application data typically should not contain any thunks. This library can be used to examine values for unexpected thunks, which can then be used in assertions. This can be invaluable in avoiding memory leaks, or tracking down existing ones.
This library provides a conduit-based, streaming interface for extracting and creating tar files.
This package provides a typeclass with a single function that is designed to help convert between different types: numeric values, dates and times, and the like. The conversions perform bounds checking and return a pure Either value. This means that you need not remember which specific function performs the conversion you desire.
This package provides a simple logging abstraction that allows multiple back-ends.
Haskell-Source with Extensions (HSE, haskell-src-exts) is an extension of the standard haskell-src package, and handles most registered syntactic extensions to Haskell. All extensions implemented in GHC are supported. Apart from these standard extensions, it also handles regular patterns as per the HaRP extension as well as HSX-style embedded XML syntax.
This Haskell library provides a type class for the error function, erf, and related functions. Instances for Float and Double.
Utilities to package up Haskell functions and values into a Lua module. . This package is part of HsLua, a Haskell framework built around the embeddable scripting language <https://lua.org Lua>.
This library provides typeclasses for rendering ghc-commonmark to Pandoc types.
wizards is a package designed for the quick and painless development of interrogative programs, which revolve around a dialogue with the user, who is asked a series of questions in a sequence much like an installation wizard.
Everything from interactive system scripts, to installation wizards, to full-blown shells can be implemented with the support of wizards.
It is developed transparently on top of a free monad, which separates out the semantics of the program from any particular interface. A variety of backends exist, including console-based System.Console.Wizard.Haskeline and System.Console.Wizard.BasicIO, and the pure System.Console.Wizard.Pure. It is also possible to write your own backends, or extend existing back-ends with new features. While both built-in IO backends operate on a console, there is no reason why wizards cannot also be used for making GUI wizard interfaces.
This library provides opaque unique identifiers in primitive state monads and a GADT-like type using them as witnesses of type equality.
The doctest program checks examples in source code comments. It is modeled after doctest for Python (<https://docs.python.org/3/library/doctest.html>). . Documentation is at <https://github.com/martijnbastiaan/doctest-parallel#readme>.
This package provides instances to push and receive any datatype encodable as JSON to and from the Lua stack.
Happy is a parser generator for Haskell. Given a grammar specification in BNF, Happy generates Haskell code to parse the grammar. Happy works in a similar way to the yacc tool for C.