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• GHC
  ...e has all you need to know about using GHC: command line options, language extensions, GHCi, etc. * GHC extensions
  4 KB (626 words) - 14:08, 14 July 2020
• Alternatives and extensions for libraries
  ...rnatives (packages and modules which can do the same or similar tasks) and extensions (code snippets and libraries which build on top rather than replace), for a [[Prelude extensions]]<br>
  5 KB (633 words) - 15:16, 6 February 2021
• Liste in Haskell
  Haskell 98 mode: Restart with command line option -98 to enable extensions
  911 bytes (97 words) - 20:56, 28 March 2011
• Cabal/Developer-FAQ
  == How do I handle Haskell language extensions? == If your code uses some of the advanced Haskell extensions, you have a number of options.
  7 KB (998 words) - 12:32, 2 October 2020
• Unary operator
  [[GHC]] supports two language extensions that modify the behaviour of the unary minus, [https://ghc.gitlab.haskell.o ...https://ghc.gitlab.haskell.org/ghc/doc/users_guide/exts/syntax.html Syntax extensions]
  3 KB (397 words) - 20:54, 24 February 2024
• Command line option parsers
  ! Package !! Multi-mode !! Extensions !! Maintenance !! Popularity (hackage downloads 2021-10-23) !! Remark ...parser}} || - || None (though it depends on package containers, which uses extensions) || GHC 9.0 build successful (2021-10-23) || 4k ||
  3 KB (401 words) - 09:41, 23 October 2021
• QuickCheck
  * QuickCheck2 - includes shrink and other extensions
  818 bytes (104 words) - 18:28, 16 January 2017
• Toolmaking libraries
  ...h new extensions provide their own implementations that hopefully make the extensions less painful to deal with. ...iently expressive to handle type-preserving translations from the numerous extensions kicking around. Type classes are again an issue, in that much of the work i
  5 KB (735 words) - 15:20, 6 February 2021
• Hugs
  * Hugs provides most of the common extensions including scoped variables, multiparameter typeclasses, foreign function in ...one compiler works on the other without change, but if your code uses ghc extensions or newer language features, it won't.
  3 KB (343 words) - 20:18, 9 December 2020
• Code duplication
  ...r admit, that sometimes the different uses of a function require different extensions
  2 KB (258 words) - 19:53, 28 December 2008
• Ce deosebire este intre
  Haskell 98 mode: Restart with command line option -98 to enable extensions
  1 KB (193 words) - 05:58, 11 February 2011
• Harpy
  ...e x86 code generation in Haskell programs. Harpy requires several Haskell extensions and GHC-specific features (Template Haskell, multi-parameter type classes a
  2 KB (212 words) - 12:49, 22 January 2013
• Sunt variabilele din do-notatie variabile globale ?
  Haskell 98 mode: Restart with command line option -98 to enable extensions
  1 KB (164 words) - 13:46, 13 April 2011
• Prelude extensions
  == Data.Either extensions ==
  4 KB (684 words) - 02:22, 18 May 2020
• Zygohistomorphic prepromorphisms
  [[Category:Language extensions]]
  1,009 bytes (147 words) - 15:40, 20 July 2023
• Untypeable Haskell 98
  isn't typeable without extensions:
  772 bytes (147 words) - 15:19, 6 February 2021
• Web/Cloud
  ...https://devcenter.heroku.com/articles/buildpacks Heroku] allow third-party extensions, which can be used to support Haskell.
  2 KB (239 words) - 11:39, 30 December 2020
• Editors
  ...ll&target=VSCode&category=Programming%20Languages&sortBy=Relevance Haskell extensions]
  2 KB (301 words) - 12:07, 16 December 2023
• Jmacro
  == Additional Syntax Extensions == JMacro now has a few extra syntax extensions.
  8 KB (1,206 words) - 23:52, 29 July 2011
• Intentionally omitted instance
  Actually, this is possible with current Haskell extensions
  1 KB (209 words) - 14:08, 22 February 2015
• Ko/PatternSynonyms
  [[Category:Language extensions]]
  2 KB (138 words) - 12:11, 22 November 2023
• From a newbie
  ...ly got a fairly opaque error message basically telling me I need to enable extensions. '''Why?''' It's perfectly possible to write a state monad in plain Haskell ...supports encapsulation of language use, so you need not know or care what extensions the libraries use. GHCi also has much better error messages, and is much m
  11 KB (1,716 words) - 06:40, 29 November 2007
• Yhc/Gtk2Hs
  ndm|bristol but if there are any extensions you really can't live without, let us know
  3 KB (538 words) - 23:40, 15 January 2006
• Pattern guard
  [[Category:Language extensions]]
  1 KB (217 words) - 23:22, 24 July 2021
• Multi-parameter type class
  [[Category:Language extensions]]
  1 KB (198 words) - 22:52, 21 July 2021
• LLVM
  ...>Maybe</hask>), vector instructions, automatic adaption to target specific extensions
  2 KB (204 words) - 11:22, 2 October 2020
• Introduction/Direct Translation
  This uses various extensions to make the types ridiculously general, but the actual algorithm (quickSort
  4 KB (617 words) - 08:07, 16 August 2009
• Cum se numeste modulul principal al unei aplicatii ?
  Haskell 98 mode: Restart with command line option -98 to enable extensions
  2 KB (257 words) - 14:17, 10 February 2011
• Research area
  ...like [[Rodin]] - become now easy to build, without the need of any Haskell extensions.
  6 KB (867 words) - 08:50, 26 July 2011
• WikipediaArticleDesign
  3.3.7 Type System Extensions 3.9 Extensions to Haskell
  3 KB (332 words) - 03:38, 14 August 2021
• Future of Haskell
  The language evolves and numerous extensions have been proposed and many of them have been implemented in some Haskell s == Extensions of Haskell ==
  11 KB (1,692 words) - 16:37, 28 January 2023
• Functional dependencies
  [[Category:Language extensions]] ...he FlexibleInstances, MultiParamTypeClasses and FunctionalDependencies GHC extensions.
  4 KB (706 words) - 22:41, 21 July 2021
• Rank-N types
  [[Category:Language extensions]] Rank-2 or Rank-N types may be specifically enabled by the language extensions
  4 KB (693 words) - 13:33, 15 April 2024
• Applications and libraries/Generic programming/Lightweight
  ...>The family of types supported is based on sums of products (together with extensions). This means that mutually recursive types and nested are supported.</li></ <li><p>The extensions can include Haskell primitive types, function spaces
  5 KB (859 words) - 10:10, 20 April 2021
• Implementations
  ...standard compiler if you want fast code. GHC is written in Haskell (plus extensions), and its size and complexity mean that it is less portable than Hugs, it r ...rts almost all Haskell 98 and Haskell 2010 features plus many experimental extensions. The compiler runs on Mac OS X, Windows (Cygwin), and various Unix flavors.
  9 KB (1,363 words) - 15:57, 9 March 2024
• News/1997
  extensions to John Hughes' pretty printing library.
  5 KB (630 words) - 12:09, 13 January 2007
• HaRe
  * Extending refactorings to cope with new extensions ...r that is maintained and up-to-date with the current language standard and extensions.
  4 KB (645 words) - 12:53, 4 August 2014
• List function suggestions
  This page lists proposed extensions to the Haskell list functions, whether in the [http://www.haskell.org/ghc/d * [[Prelude extensions]]
  8 KB (1,277 words) - 11:14, 16 June 2012
• Type signatures as good style
  Even more, for some type extensions the automatic inference fails,
  2 KB (267 words) - 15:18, 6 February 2021
• Type
  *[[:Category:Language extensions | Language extensions]] - many language extensions are to do with changes to the type system.
  7 KB (1,016 words) - 15:20, 6 February 2021
• HXT/Practical/Simple1
  certain language extensions. The <code>Arrows</code> option provides the special Arrow syntax, and the
  4 KB (562 words) - 16:11, 11 October 2011
• HaskellImplementorsWorkshop/2010
  * '''''Kansas Lava -- Using and Abusing GHC's Type Extensions''''' (Andrew Farmer)
  4 KB (453 words) - 21:53, 1 May 2013
• Yhc/Path handling
  === Incorporate some Jhc extensions ===
  4 KB (634 words) - 22:26, 20 February 2006
• Comparing class alias proposals
  We've found the following documents that propose extensions or variations of the original proposal: '''Motivation''': these ideas are direct extensions of context synonyms and are useful for clients.
  9 KB (1,397 words) - 15:11, 2 March 2011
• Qualified names
  When you write a general module you cannot predict all possible extensions.
  4 KB (753 words) - 13:49, 22 November 2006
• Catch
  * Requires [[Yhc]] to be installed, which doesn't accept most Haskell extensions. This will be fixed once [[GHC]].Core is available as a standalone library.
  2 KB (353 words) - 08:17, 6 August 2015
• Applications and libraries/Generic programming/Smash
  instances. The use of these extensions is limited to the library only. The end user code needs no such extensions.
  7 KB (1,135 words) - 00:59, 30 July 2007
• Applications and libraries/Generic programming/Strafunski
  ...ki can be used with at least GHC and Hugs (others?). It relies on compiler extensions for overlapping and undecidable instances. ...te code for such applications, but relies on very few non-standard Haskell extensions.
  7 KB (931 words) - 03:51, 10 December 2011
• Obfuscation/IOHCC 2004
  * best abuse of implementation-specific extensions
  3 KB (422 words) - 00:04, 18 January 2007
• Software transactional memory
  [[Category:Language extensions]]
  3 KB (386 words) - 11:56, 15 March 2024
• Frag
  * OpenGL drivers that support the vertex array and multi-texture OpenGL extensions
  3 KB (386 words) - 11:31, 5 May 2017
• Smart constructors
  === Extensions ===
  9 KB (1,351 words) - 18:21, 6 June 2020
• Scoped type variables
  [[Category:Language extensions]]
  3 KB (435 words) - 22:56, 12 June 2021
• HaskellImplementorsWorkshop/2010/Call for Talks
  * Language features and extensions
  3 KB (500 words) - 13:29, 17 December 2012
• Ce inseamna lazy evaluation ?
  Haskell 98 mode: Restart with command line option -98 to enable extensions
  3 KB (432 words) - 18:08, 10 April 2011
• Installers
  ...erned with two configurable aspects of installation: associating file name extensions with file types and associating file types with the handlers provided by th ...ems that in practice all Haskell tools and editors check directly for file extensions or content, so there seems to be no real need for having two separate file
  6 KB (1,025 words) - 20:14, 9 December 2020
• HaskellImplementorsWorkshop/2009/Call for Talks
  * Language features and extensions
  3 KB (504 words) - 13:29, 17 December 2012
• Functional dependencies vs. type families
  Thus summarized: Type families may replace several other type extensions. [[Category:Language extensions]]
  6 KB (936 words) - 20:35, 27 January 2014
• Polymorphism
  ...several more exotic flavours of polymorphism that are implemented in some extensions to Haskell, e.g. [[rank-N types]] and [[impredicative types]].
  5 KB (912 words) - 00:50, 21 January 2015
• Applications and libraries/Concurrency and parallelism
  This page lists libraries and extensions for programming ...parallel Haskell extension GpH and of evaluation strategies is available. Extensions of the runtime-system and language to improve performance and support new p
  7 KB (998 words) - 06:02, 12 June 2023
• Case
  ...<tt>ghci -XMultiWayIf</tt>, or add <tt>MultiWayIf</tt> to the <tt>default-extensions</tt> in your <tt>.cabal</tt> file.
  3 KB (411 words) - 11:36, 11 June 2020
• HaskellImplementorsWorkshop/2011/Call for Talks
  * Language features and extensions
  4 KB (547 words) - 13:28, 17 December 2012
• Xmonad/Mutable state in contrib modules or xmonad.hs
  ...xtension is useful for passing in the iorefs. You generally need these two extensions together, if you like to leave out the type signatures (which are as much w
  5 KB (715 words) - 19:08, 29 December 2012
• FreeArc/Standard API for compression libraries
  ...approving various algorithms for FA. it's highly flexible to allow further extensions w/o losing backward compatibility, at the same time i tried to simplify bas
  4 KB (651 words) - 00:32, 28 October 2008
• Xmonad/Guided tour of the xmonad source
  ...xmonad source code for Haskell non-experts interested in contributing extensions or modifications to xmonad, or who are just curious.
  3 KB (531 words) - 09:09, 15 August 2017
• HaskellImplementorsWorkshop/2012/Call for Talks
  * Language features and extensions
  4 KB (543 words) - 13:44, 17 December 2012
• LGtk/Semantics
  ...sly created reference (i.e. a lens) is accessed with a state after several extensions, a proper prefix of the lens-chain makes possible to convert the program st -- return a lens which accesses n+1+k state parts (k depends on future extensions)
  16 KB (2,699 words) - 23:00, 7 June 2013
• Numeric Prelude
  ...cip Time)</hask>. This is overly restrictive but does not require type extensions.)
  4 KB (544 words) - 17:33, 9 July 2012
• Xmonad
  ...d-docs/xmonad-contrib/XMonad-Doc-Extending.html overview of xmonad-contrib extensions plus how to edit configuration] -- needs updating
  4 KB (590 words) - 23:41, 14 June 2017
• Xmonad/Config archive/ivy-foster-xmonad.hs
  -- 7. Extensions & Misc. -- 7. Extensions & Misc.
  15 KB (1,335 words) - 18:38, 16 June 2011
• Hajax
  * Support for Haskell 98 + most popular extensions.
  5 KB (732 words) - 13:18, 26 March 2008
• Category theory
  ...ids semigroupoids], [http://hackage.haskell.org/package/kan-extensions kan-extensions], [http://hackage.haskell.org/package/recursion-schemes recursion-schemes]) ...ctions and constructions starting from basics: category, functor up to kan extensions, topos, enriched categories, F-algebras. There are video recordings with th
  9 KB (1,379 words) - 04:11, 14 February 2023
• Pseudoconstructors over monadic values
  ...like [[Rodin]] - become now easy to build, without the need of any Haskell extensions. [[2008/Rezumat1]].
  8 KB (1,244 words) - 18:03, 13 July 2011
• Partibles for composing monads
  * [[Prelude extensions]]
  4 KB (691 words) - 08:14, 12 June 2023
• GADTs for dummies
  [[Category:Language extensions]] All of the "hypothetical" Haskell extensions we investigated earlier are
  14 KB (2,322 words) - 13:55, 24 November 2023
• HaskellImplementorsWorkshop/2016/Call for Contributions
  * Language features and extensions
  4 KB (510 words) - 09:35, 9 June 2016
• Programming guidelines
  too restrictive with respect to language extensions. Nevertheless I hope === Implementation-specific extensions and classes ===
  17 KB (2,651 words) - 09:36, 10 August 2022
• Applications and libraries/Compiler tools
  ...ion of the standard haskell-src package, and handles most common syntactic extensions to Haskell. :Haskell-Source with Extensions (HSE, haskell-src-exts) is an extension of the standard haskell-src package
  13 KB (1,947 words) - 14:44, 21 July 2023
• Hac φ 2009/Projects
  I (anton) plan to work on developing Gitit extensions to provide more general content management and application framework capabi
  6 KB (917 words) - 13:03, 17 December 2012
• HaskellImplementorsWorkshop/2015/Call for Contributions
  * Language features and extensions
  4 KB (536 words) - 12:15, 4 August 2015
• Simple to complex
  Make sure that you use [[Use of language extensions|fancy type]] constructs
  6 KB (1,000 words) - 16:35, 6 February 2009
• Regular expressions for XML Schema
  ...Unicode codeblocks and character properties, purely functional interface, extensions for intersection, exclusive OR of regular sets (regular expressions), extensions for subexpression matches, interface for matching, stream (sed) like editin
  22 KB (3,425 words) - 22:34, 29 June 2021
• The Other Prelude
  * [[Prelude extensions]] and [[List function suggestions]] - Unlike ''The Other Prelude'' they ''e
  7 KB (1,150 words) - 22:37, 22 December 2010
• CabalFind
  Google has a feature to narrow search results to files with given suffixes (extensions).
  4 KB (666 words) - 22:21, 23 April 2021
• Iteratee I/O
  ...ell.org/package/enumerator enumerator] : Used in Snap. It does not use any extensions, so it will work with most Haskell compilers.
  4 KB (653 words) - 12:02, 19 April 2024
• HaskellImplementorsWorkshop/2013/Call for Talks
  * Language features and extensions
  4 KB (589 words) - 14:46, 1 August 2013
• Extensible record
  ...ge grapefruit-records which implements a record system in Haskell with GHC extensions. This record system allows field selection and dropping of fields using pa
  6 KB (770 words) - 05:26, 10 December 2020
• CamHac
  *** Since haskell-src-exts includes GHC-specific extensions, why not round-trip via the GHC AST? That could also be used by other tool ...sufficiently though, and who doesn't want a backwards-compatible-including-extensions TeX replacement with better syntax, typechecking and the potential for bett
  12 KB (1,813 words) - 12:52, 17 December 2012
• Hierarchical module names
  Time -- H98 + extensions
  7 KB (717 words) - 05:40, 25 April 2012
• HaskellImplementorsWorkshop/2014/Call for Contributions
  * Language features and extensions
  4 KB (574 words) - 07:18, 26 June 2014
• GHC/SuperClass
  You get the power from a combination of extensions: ...le even for a simple type-level type equality test. In fact, note how many extensions are needed:
  14 KB (2,091 words) - 17:28, 4 February 2023
• Zeno
  * Works with full Haskell98 along with any GHC extensions not related to the type system. Unfortunately not all Haskell code is then
  8 KB (1,368 words) - 15:52, 22 February 2012
• Xmonad/Notable changes since 0.9
  * XState now supports state extensions in xmonad-contrib. See darcs [http://code.haskell.org/XMonadContrib/XMonad/ ...other interfaces to ServerMode if you have enabled the appropriate layout extensions from X.C.Bluetile.
  22 KB (3,188 words) - 19:47, 21 December 2011
• Applications and libraries/Compilers and interpreters
  ...ll Compiler. UHC supports almost all Haskell 98 features plus experimental extensions. The compiler runs under Mac OS X, Windows (Cygwin), and various Unix flavo ...seful for studying the behaviour of the STG machine and experimenting with extensions to the machine. Also useful for studying program language implementation.
  12 KB (1,707 words) - 07:27, 10 March 2020
• Emacs
  ...rokes. A mode is usually activated automatically via "hooks" based on file extensions (.hs, .cabal etc.) but can also be loaded during Emacs startup (~/.emacs) o
  5 KB (698 words) - 17:44, 17 December 2023
• Phantom type
  * with more exotic extensions they can be used for [[Smart_constructors#Enforcing_the_constraint_statical
  5 KB (868 words) - 06:40, 11 June 2021
• Dependent type
  ...ncept of '''views''' (already mentioned in the Haskell [[Future of Haskell#Extensions of Haskell]];
  6 KB (884 words) - 16:00, 19 April 2021
• GHC.Generics
  ...gument. So, in GHC the classes look like what we describe in the "Avoiding extensions" part of Section 2.3 of the paper. This change affects only a generic funct [[Category:Language extensions]]
  16 KB (2,615 words) - 20:24, 19 October 2020
• Untypechecking
  extensions -fallow-incoherent-instances extensions are used *exclusively* for the
  20 KB (3,458 words) - 15:19, 6 February 2021
• Safely running untrusted Haskell code
  * Only <code>-fextended-default-rules</code> are allowed as language extensions over Haskell 98.
  5 KB (830 words) - 12:41, 22 June 2021

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