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Chell is a simple and intuitive library for automated testing. It natively supports assertion-based testing, and can use companion libraries such as chell-quickcheck to support more complex testing strategies.
This package defines a Language.Haskell.TH.Syntax.Compat module, which backports the Quote and Code types to work across a wide range of template-haskell versions. On recent versions of template-haskell (2.17.0.0 or later), this module simply re-exports Quote and Code from Language.Haskell.TH.Syntax.
This Haskell package is intended for those who are tired of keeping long lists of dependencies to the same essential libraries in each package as well as the endless imports of the same APIs all over again.
It also supports the modern tendencies in the language.
To solve those problems this package does the following:
Reexport the original APIs under the
Rebasenamespace.Export all the possible non-conflicting symbols from the
Rebase.Preludemodule.Give priority to the modern practices in the conflicting cases.
The policy behind the package is only to reexport the non-ambiguous and non-controversial APIs, which the community has obviously settled on. The package is intended to rapidly evolve with the contribution from the community, with the missing features being added with pull-requests.
This package endows Data.Time, from the time package, with several data types and functions for enhanced processing of timezones. For one way to create timezone series, see the ghc-timezone-olson package.
This package provides a basic random number generation library, including the ability to split random number generators.
This package contains bindings to the SDL 2 library, in both high- and low-level forms. The SDL namespace contains high-level bindings, where enumerations are split into sum types, and we perform automatic error-checking. The SDL.Raw namespace contains an almost 1-1 translation of the C API into Haskell FFI calls. As such, this does not contain sum types nor error checking. Thus this namespace is suitable for building your own abstraction over SDL, but is not recommended for day-to-day programming.
LeanCheck is a simple enumerative property-based testing library. Properties are defined as Haskell functions returning a boolean value which should be true for all possible choices of argument values. LeanCheck applies enumerated argument values to these properties in search for a counterexample. Properties can be viewed as parameterized unit tests. LeanCheck works by producing tiers of test values: a possibly infinite list of finite sublists of same-and-increasingly-sized values.
The Scripting.Lua module is a wrapper of the Lua language interpreter as described in https://www.lua.org/.
This library parses and dumps documents that are formatted according to RFC 4180, The common Format and MIME Type for Comma-Separated Values (CSV) Files. This format is used, among many other things, as a lingua franca for spreadsheets, and for certain web services.
This package provides a parser and pretty printer for converting between Haskell values and JSON. JavaScript Object Notation is a lightweight data-interchange format.
This package provides a regular expression toolkit for regex-base with compile-time checking of regular expression syntax, data types for matches and captures, a text replacement toolkit, portable options, high-level AWK-like tools for building text processing apps, regular expression macros with parsers and test bench, comprehensive documentation, tutorials and copious examples.
GNU ncurses is a library for creating command-line application with pseudo-graphical interfaces. This package is a nice, modern binding to GNU ncurses.
SmallCheck is a testing library that verifies properties for all test cases up to some depth. The test cases are generated automatically by SmallCheck.
This package provides an interface to file locking functionalities.
A parser and renderer for binary Olson timezone files whose format is specified by the tzfile(5) man page on Unix-like systems. For more information about this format, see http://www.iana.org/time-zones/repository/tz-link.html. Functions are provided for converting the parsed data into TimeZoneSeries objects from the timezone-series package.
Runtime exceptions - as exposed in base by the Control.Exception module - have long been an intimidating part of the Haskell ecosystem. This package is intended to overcome this. It provides a safe and simple API on top of the existing exception handling machinery. The API is equivalent to the underlying implementation in terms of power but encourages best practices to minimize the chances of getting the exception handling wrong.
This package contains the Control.Monad.Fail module providing the MonadFail class that became available in base-4.9.0.0 for older base package versions. This package turns into an empty package when used with GHC versions which already provide the Control.Monad.Fail module.
This package provides extensible exceptions for both new and old versions of GHC (i.e., < 6.10).
This package provides strict versions of some standard Haskell data types, such as pairs, Maybe and Either. It also contains strict IO operations.
This package includes backported versions of types that were added to transformers in transformers 0.3 and 0.4 for users who need strict transformers 0.2 or 0.3 compatibility to run on old versions of the platform, but also need those types.
This package provides a configuration management library for programs and daemons. The features include:
Automatic, dynamic reloading in response to modifications to configuration files.
A simple, but flexible, configuration language, supporting several of the most commonly needed types of data, along with interpolation of strings from the configuration or the system environment (e.g.
$(HOME)).Subscription-based notification of changes to configuration properties.
An
importdirective allows the configuration of a complex application to be split across several smaller files, or common configuration data to be shared across several applications.
A clean and powerful stream processing library that lets you build and connect reusable streaming components. Advantages over traditional streaming libraries:
Concise API: Use simple commands like
for, (>->),await, andyieldBlazing fast: Implementation tuned for speed, including shortcut fusion
Lightweight Dependency: pipes is small and compiles very rapidly, including dependencies
Elegant semantics: Use practical category theory
ListT: Correct implementation of
ListTthat interconverts with pipesBidirectionality: Implement duplex channels
This is a small wrapper around the directory, unix, and Win32 packages, for use with system-filepath. It provides a consistent API to the various versions of these packages distributed with different versions of GHC. In particular, this library supports working with POSIX files that have paths which can't be decoded in the current locale encoding.
This library defines an existential type Some'. . @ data Some f where \ Some :: f a -> Some f @ . in few variants, and utilities to work with it. . If you are unsure which variant to use, use the one in "Data.Some" module.