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.infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vevent"><caption class="infobox-title summary">Servant</caption><tbody><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Original author(s)</a></th><td class="infobox-data">Alp Mestanogullari, Sönke Hahn, Julian Arni</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">2014<span class="noprint">; 10 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2014</span>)</span></td></tr><tr style="display: none;"><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_release_life_cycle#Beta" title="Software release life cycle">Preview release</a></th><td class="infobox-data"><div style="margin:0px;">0.16 / 2018<span class="noprint">; 6 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2018</span>)</span></div></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Written in</th><td class="infobox-data"><a href="/wiki/Haskell" title="Haskell">Haskell</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="/wiki/Cross-platform_software" title="Cross-platform software">Cross-platform</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Available in</th><td class="infobox-data">English</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data"><a href="/wiki/Web_framework" title="Web framework">Web framework</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="/wiki/BSD_licenses#3-clause" title="BSD licenses">BSD 3-clause</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://www.servant.dev">www<wbr />.servant<wbr />.dev</a></span></td></tr></tbody></table> <p><b>Servant</b> is a <a href="/wiki/Web_framework" title="Web framework">web framework</a> based on the <a href="/wiki/Functional_programming" title="Functional programming">functional</a> <a href="/wiki/Programming_language" title="Programming language">programming language</a> <a href="/wiki/Haskell" title="Haskell">Haskell</a>, with an emphasis on <a href="/wiki/Data_type" title="Data type">data type</a> <a href="/wiki/Type_safety" title="Type safety">safety</a>.<sup id="cite_ref-haskell-in-depth_2-0" class="reference"><a href="#cite_note-haskell-in-depth-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-practical-web-dev_3-0" class="reference"><a href="#cite_note-practical-web-dev-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> It is <a href="/wiki/Free_and_open-source_software" title="Free and open-source software">free and open-source software</a> released under a <a href="/wiki/BSD_licenses#3-clause" title="BSD licenses">BSD 3-clause license</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Overview">Overview</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Servant_(web_framework)&action=edit&section=1" title="Edit section: Overview"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Servant provides a type-level <a href="/wiki/Domain-specific_language" title="Domain-specific language">domain-specific language</a> (DSL) to describe <a href="/wiki/World_Wide_Web" title="World Wide Web">World Wide Web</a> application programming interfaces (<a href="/wiki/Web_API" title="Web API">Web APIs</a>); various interpretations of such descriptions are possible: as a <a href="/wiki/Server_(computing)" title="Server (computing)">server</a>, which dispatches requests to handlers; as documentation and schema specifications for the API; and as client libraries in various languages.<sup id="cite_ref-servant-paper_6-0" class="reference"><a href="#cite_note-servant-paper-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>The type-level approach by Servant solves the <a href="/wiki/Expression_problem" title="Expression problem">expression problem</a> by allowing the extensibility along the dimensions of both data and behavior.<sup id="cite_ref-servant-paper_6-1" class="reference"><a href="#cite_note-servant-paper-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> New <a href="/wiki/Combinatory_logic" title="Combinatory logic">combinators</a> or terms in the DSL can be modularly introduced, as can new interpretations of them, as entirely separate packages. As of 2023<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Servant_(web_framework)&action=edit">[update]</a></sup>, well over 100 packages related to Servant have been published in the Haskell package repository.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Use">Use</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Servant_(web_framework)&action=edit&section=2" title="Edit section: Use"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It is used in production by companies such as <a href="/wiki/GitHub" title="GitHub">GitHub</a>,<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> <a href="/wiki/NoRedInk" title="NoRedInk">NoRedInk</a>,<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Klarna" title="Klarna">Klarna</a>,<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Input Output Global Inc. (in the <a href="/wiki/Cardano_(blockchain_platform)" title="Cardano (blockchain platform)">Cardano</a> project),<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/Wire_(software)" title="Wire (software)">Wire</a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Servant_(web_framework)&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Yesod_(web_framework)" title="Yesod (web framework)">Yesod (web framework)</a></li> <li><a href="/wiki/Snap_(web_framework)" title="Snap (web framework)">Snap (web framework)</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Servant_(web_framework)&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://github.com/haskell-servant/servant/blob/master/servant/LICENSE">"Servant license"</a>. <i>GitHub</i><span class="reference-accessdate">. Retrieved <span class="nowrap">10 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=GitHub&rft.atitle=Servant+license&rft_id=https%3A%2F%2Fgithub.com%2Fhaskell-servant%2Fservant%2Fblob%2Fmaster%2Fservant%2FLICENSE&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-haskell-in-depth-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-haskell-in-depth_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBragilevsky2021" class="citation book cs1">Bragilevsky, Vitaly (May 2021). <i>Haskell in Depth</i>. Manning. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1617295409" title="Special:BookSources/978-1617295409"><bdi>978-1617295409</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Haskell+in+Depth&rft.pub=Manning&rft.date=2021-05&rft.isbn=978-1617295409&rft.aulast=Bragilevsky&rft.aufirst=Vitaly&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-practical-web-dev-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-practical-web-dev_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPutrady2018" class="citation book cs1">Putrady, Ecky (12 November 2018). <i>Practical Web Development with Haskell: Master the Essential Skills to Build Fast and Scalable Web Applications</i>. Apress. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1484237380" title="Special:BookSources/978-1484237380"><bdi>978-1484237380</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Practical+Web+Development+with+Haskell%3A+Master+the+Essential+Skills+to+Build+Fast+and+Scalable+Web+Applications&rft.pub=Apress&rft.date=2018-11-12&rft.isbn=978-1484237380&rft.aulast=Putrady&rft.aufirst=Ecky&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMazumderBraje2016" class="citation book cs1">Mazumder, Mark; Braje, Timothy (4 November 2016). <a rel="nofollow" class="external text" href="https://ieeexplore.ieee.org/document/7839809">"Safe Client/Server Web Development with Haskell"</a>. <i>2016 IEEE Cybersecurity Development (SecDev)</i>. p. 150. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1109%2FSecDev.2016.040">10.1109/SecDev.2016.040</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-5090-5589-0" title="Special:BookSources/978-1-5090-5589-0"><bdi>978-1-5090-5589-0</bdi></a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:1953852">1953852</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Safe+Client%2FServer+Web+Development+with+Haskell&rft.btitle=2016+IEEE+Cybersecurity+Development+%28SecDev%29&rft.pages=150&rft.date=2016-11-04&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A1953852%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1109%2FSecDev.2016.040&rft.isbn=978-1-5090-5589-0&rft.aulast=Mazumder&rft.aufirst=Mark&rft.au=Braje%2C+Timothy&rft_id=https%3A%2F%2Fieeexplore.ieee.org%2Fdocument%2F7839809&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMazumderBraje2016" class="citation web cs1">Mazumder, Mark; Braje, Timothy (4 November 2016). <a rel="nofollow" class="external text" href="https://haskell-web-intro.github.io/secdev/">"Safe Client/Server Web Development with Haskell"</a>. <i><a href="/wiki/GitHub" title="GitHub">GitHub</a></i>. <a href="/wiki/Massachusetts_Institute_of_Technology" title="Massachusetts Institute of Technology">Massachusetts Institute of Technology</a>: <a href="/wiki/MIT_Lincoln_Laboratory" title="MIT Lincoln Laboratory">Lincoln Laboratory</a><span class="reference-accessdate">. Retrieved <span class="nowrap">7 November</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=GitHub&rft.atitle=Safe+Client%2FServer+Web+Development+with+Haskell&rft.date=2016-11-04&rft.aulast=Mazumder&rft.aufirst=Mark&rft.au=Braje%2C+Timothy&rft_id=https%3A%2F%2Fhaskell-web-intro.github.io%2Fsecdev%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span> Original slide presentation.</span> </li> <li id="cite_note-servant-paper-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-servant-paper_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-servant-paper_6-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMestanogullariHahnArniLöh2015" class="citation book cs1">Mestanogullari, Alp; Hahn, Sönke; Arni, Julian; Löh, Andreas (2015). "Type-level web APIs with Servant: An exercise in domain-specific generic programming". <i>Proceedings of the 11th ACM SIGPLAN Workshop on Generic Programming</i>. pp. 1–12. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1145%2F2808098.2808099">10.1145/2808098.2808099</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9781450338103" title="Special:BookSources/9781450338103"><bdi>9781450338103</bdi></a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:14512955">14512955</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Type-level+web+APIs+with+Servant%3A+An+exercise+in+domain-specific+generic+programming&rft.btitle=Proceedings+of+the+11th+ACM+SIGPLAN+Workshop+on+Generic+Programming&rft.pages=1-12&rft.date=2015&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A14512955%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1145%2F2808098.2808099&rft.isbn=9781450338103&rft.aulast=Mestanogullari&rft.aufirst=Alp&rft.au=Hahn%2C+S%C3%B6nke&rft.au=Arni%2C+Julian&rft.au=L%C3%B6h%2C+Andreas&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://hackage.haskell.org/packages/search?terms=servant">"Browse and search packages"</a>. <i>Haskell.org: Hackage</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Haskell.org%3A+Hackage&rft.atitle=Browse+and+search+packages&rft_id=https%3A%2F%2Fhackage.haskell.org%2Fpackages%2Fsearch%3Fterms%3Dservant&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFThomsonRixWuSchrijvers2022" class="citation journal cs1">Thomson, Patrick; Rix, Rob; Wu, Nicolas; Schrijvers, Tom (31 August 2022). "Fusing industry and academia at GitHub (experience report)". <i>Proceedings of the ACM on Programming Languages</i>. <b>6</b>: 496–511. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/2206.09206">2206.09206</a></span>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1145%2F3547639">10.1145/3547639</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:249889460">249889460</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Proceedings+of+the+ACM+on+Programming+Languages&rft.atitle=Fusing+industry+and+academia+at+GitHub+%28experience+report%29&rft.volume=6&rft.pages=496-511&rft.date=2022-08-31&rft_id=info%3Aarxiv%2F2206.09206&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A249889460%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1145%2F3547639&rft.aulast=Thomson&rft.aufirst=Patrick&rft.au=Rix%2C+Rob&rft.au=Wu%2C+Nicolas&rft.au=Schrijvers%2C+Tom&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://blog.noredink.com/post/188829831203/type-safe-mysql-queries-via-postgres">"Type-Safe MySQL Queries via Postgres"</a>. <i>NoRedInk Blog</i>. 5 November 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">16 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=NoRedInk+Blog&rft.atitle=Type-Safe+MySQL+Queries+via+Postgres&rft.date=2019-11-05&rft_id=https%3A%2F%2Fblog.noredink.com%2Fpost%2F188829831203%2Ftype-safe-mysql-queries-via-postgres&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMulder" class="citation web cs1">Mulder, Felix. <a rel="nofollow" class="external text" href="https://felixmulder.com/talks/2020/01/21/Haskell-at-Klarna.html#/our-haskell-stack">"Haskell in Production: Services at Klarna written in Haskell"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">16 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Haskell+in+Production%3A+Services+at+Klarna+written+in+Haskell&rft.aulast=Mulder&rft.aufirst=Felix&rft_id=https%3A%2F%2Ffelixmulder.com%2Ftalks%2F2020%2F01%2F21%2FHaskell-at-Klarna.html%23%2Four-haskell-stack&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://input-output-hk.github.io/cardano-wallet/design/Specifying-exceptions-with-Servant-and-Swagger#background">"Cardano Wallet Design"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">16 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Cardano+Wallet+Design&rft_id=https%3A%2F%2Finput-output-hk.github.io%2Fcardano-wallet%2Fdesign%2FSpecifying-exceptions-with-Servant-and-Swagger%23background&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://docs.wire.com/developer/developer/servant.html">"Servant"</a>. <i>Wire Documentation</i><span class="reference-accessdate">. Retrieved <span class="nowrap">16 February</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Wire+Documentation&rft.atitle=Servant&rft_id=https%3A%2F%2Fdocs.wire.com%2Fdeveloper%2Fdeveloper%2Fservant.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AServant+%28web+framework%29" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Servant_(web_framework)&action=edit&section=5" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://www.servant.dev">Official website</a></span></span></li> <li><a rel="nofollow" class="external text" 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<ul><li><a href="/wiki/Lift_(web_framework)" title="Lift (web framework)">Lift</a></li> <li><a href="/wiki/Play_Framework" title="Play Framework">Play</a></li> <li><a href="/wiki/Scalatra" title="Scalatra">Scalatra</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Smalltalk" title="Smalltalk">Smalltalk</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AIDA/Web" title="AIDA/Web">AIDA/Web</a></li> <li><a href="/wiki/Seaside_(software)" title="Seaside (software)">Seaside</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other languages</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oracle_Application_Express" title="Oracle Application Express">Application Express</a> (<a href="/wiki/PL/SQL" title="PL/SQL">PL/SQL</a>)</li> <li><a href="/wiki/Grails_(framework)" title="Grails (framework)">Grails</a> (<a href="/wiki/Groovy_(programming_language)" class="mw-redirect" title="Groovy (programming language)">Groovy</a>)</li> <li><a href="/wiki/OpenACS" class="mw-redirect" title="OpenACS">OpenACS</a> (<a href="/wiki/Tcl" title="Tcl">Tcl</a>)</li> <li><a href="/wiki/Phoenix_(web_framework)" title="Phoenix (web framework)">Phoenix</a> (<a href="/wiki/Elixir_(programming_language)" title="Elixir (programming language)">Elixir</a>)</li> <li><a href="/wiki/Shiny_(web_framework)" title="Shiny (web framework)">Shiny (web framework)</a> (<a href="/wiki/R_(programming_language)" title="R (programming language)">R</a>)</li> <li><a href="/wiki/SproutCore" title="SproutCore">SproutCore</a> (<a href="/wiki/JavaScript" title="JavaScript">JavaScript</a>-<a href="/wiki/Ruby_(programming_language)" title="Ruby (programming language)">Ruby</a>)</li> <li><a href="/wiki/Yaws_(web_server)" title="Yaws (web server)">Yaws</a> (<a href="/wiki/Erlang_(programming_language)" title="Erlang (programming language)">Erlang</a>)</li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Haskell_programming" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Haskell_programming" title="Template:Haskell programming"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/w/index.php?title=Template_talk:Haskell_programming&action=edit&redlink=1" class="new" title="Template talk:Haskell programming (page does not exist)"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Haskell_programming" title="Special:EditPage/Template:Haskell programming"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Haskell_programming" style="font-size:114%;margin:0 4em"><a href="/wiki/Haskell" title="Haskell">Haskell</a> programming</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Software" title="Software">Software</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Programming_language_implementation" title="Programming language implementation">Implementations</a><br />(<a href="/wiki/Haskell_features" title="Haskell features">features</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Generic_programming#Generic_Haskell" title="Generic programming">Generic Haskell</a>°</li> <li><a href="/wiki/Glasgow_Haskell_Compiler" title="Glasgow Haskell Compiler">Glasgow Haskell Compiler</a>° <ul><li><a href="/wiki/Template_Haskell" title="Template Haskell">Template Haskell</a>°</li></ul></li> <li><i><a href="/wiki/Gofer_(programming_language)" title="Gofer (programming language)">Gofer</a></i>° → <a href="/wiki/Hugs_(interpreter)" title="Hugs (interpreter)">Hugs</a>°</li> <li><i>York Haskell Compiler</i>° (<i><a href="/wiki/Yhc" title="Yhc">Yhc</a></i>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Dialect_(computing)" class="mw-redirect" title="Dialect (computing)">Dialects</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Agda_(programming_language)" title="Agda (programming language)">Agda</a>°</li> <li><a href="/wiki/Concurrent_Haskell" title="Concurrent Haskell">Concurrent Haskell</a>°</li> <li><a href="/wiki/Cryptol" title="Cryptol">Cryptol</a>°</li> <li><a href="/wiki/Curry_(programming_language)" title="Curry (programming language)">Curry</a>°</li> <li><a href="/wiki/Elm_(programming_language)" title="Elm (programming language)">Elm</a>°</li> <li><i><a href="/wiki/Hume_(programming_language)" title="Hume (programming language)">Hume</a></i>°</li> <li><a href="/wiki/Idris_(programming_language)" title="Idris (programming language)">Idris</a>°</li> <li><i><a href="/wiki/%CE%A9mega" title="Ωmega">Ωmega</a></i>°</li> <li><i><a href="/wiki/Orwell_(programming_language)" title="Orwell (programming language)">Orwell</a></i>°</li> <li><i><a href="/wiki/Pugs_(compiler)" title="Pugs (compiler)">Pugs</a></i>°</li> <li><a href="/wiki/TidalCycles" title="TidalCycles">TidalCycles</a>°</li> <li><a href="/wiki/Ur_(programming_language)" title="Ur (programming language)">Ur</a>°</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Electronic_design_automation" title="Electronic design automation">Electronic design</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Atom_(programming_language)" title="Atom (programming language)">Atom</a>°</li> <li><a href="/wiki/Bluespec" title="Bluespec">Bluespec</a> <a href="/wiki/SystemVerilog" title="SystemVerilog">SystemVerilog</a> (BSV)</li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Library_(computing)" title="Library (computing)">Libraries</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Haskell_Platform" title="Haskell Platform">Haskell Platform</a></i>°</li> <li><a href="/wiki/Parsec_(parser)" title="Parsec (parser)">Parsec</a>°</li> <li><a href="/wiki/QuickCheck" title="QuickCheck">QuickCheck</a>°</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Package_manager" title="Package manager">Package managers</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cabal_(software)" title="Cabal (software)">Cabal</a>°</li> <li><a href="/wiki/Stack_(Haskell)" title="Stack (Haskell)">Stack</a>°</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Windowing_system" title="Windowing system">Windowing systems</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Fudgets" title="Fudgets">Fudgets</a></li> <li><a href="/wiki/WxHaskell" title="WxHaskell">wxHaskell</a>°</li> <li><a href="/wiki/Xmonad" title="Xmonad">xmonad</a>°</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Web_framework" title="Web framework">Web frameworks</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">Servant</a>°</li> <li><a href="/wiki/Snap_(web_framework)" title="Snap (web framework)">Snap</a>°</li> <li><a href="/wiki/Yesod_(web_framework)" title="Yesod (web framework)">Yesod</a>°</li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cardano_(blockchain_platform)" title="Cardano (blockchain platform)">Cardano</a>°</li> <li><a href="/wiki/Darcs" title="Darcs">Darcs</a>°</li> <li><a href="/wiki/Ganeti" title="Ganeti">Ganeti</a>°</li> <li><a href="/wiki/Git-annex" title="Git-annex">git-annex</a>°</li> <li><a href="/wiki/Haddock_(software)" title="Haddock (software)">Haddock</a>°</li> <li><a href="/wiki/HaXml" title="HaXml">HaXml</a>°</li> <li><i><a href="/wiki/House_(operating_system)" title="House (operating system)">House</a></i>°</li> <li><a href="/wiki/Liquid_Haskell" title="Liquid Haskell">Liquid Haskell</a>°</li> <li><a href="/wiki/LOLITA" title="LOLITA">LOLITA</a></li> <li><a href="/wiki/Pandoc" title="Pandoc">Pandoc</a>°</li> <li><i><a href="/wiki/Paradox_(theorem_prover)" title="Paradox (theorem prover)">Paradox</a></i>°</li> <li><a href="/wiki/SQream_DB" title="SQream DB">SQream DB</a></li></ul> </div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="3" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Logo_of_the_Haskell_programming_language.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Logo_of_the_Haskell_programming_language.svg/100px-Logo_of_the_Haskell_programming_language.svg.png" decoding="async" width="100" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Logo_of_the_Haskell_programming_language.svg/150px-Logo_of_the_Haskell_programming_language.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Logo_of_the_Haskell_programming_language.svg/200px-Logo_of_the_Haskell_programming_language.svg.png 2x" data-file-width="512" data-file-height="80" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Book</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Real_World_Haskell" title="Real World Haskell">Real World Haskell</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Community_of_practice" title="Community of practice">Community</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Eponym" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Eponym" title="Eponym">Eponym</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Haskell_Curry" title="Haskell Curry">Haskell Curry</a></li></ul> </div></td></tr></tbody></table><div> <ul><li><a href="/wiki/Arvind_(computer_scientist)" title="Arvind (computer scientist)">Arvind</a></li> <li><a href="/wiki/Lennart_Augustsson" title="Lennart Augustsson">Lennart Augustsson</a></li> <li><a href="/wiki/Richard_Bird_(computer_scientist)" title="Richard Bird (computer scientist)">Richard Bird</a></li> <li><a href="/wiki/Jeremy_Gibbons" title="Jeremy Gibbons">Jeremy Gibbons</a></li> <li><a href="/wiki/Andrew_D._Gordon" title="Andrew D. Gordon">Andrew D. Gordon</a></li> <li><a href="/wiki/Paul_Hudak" title="Paul Hudak">Paul Hudak</a></li> <li><a href="/wiki/John_Hughes_(computer_scientist)" title="John Hughes (computer scientist)">John Hughes</a></li> <li><a href="/wiki/John_Launchbury" title="John Launchbury">John Launchbury</a></li> <li><a href="/wiki/John_MacFarlane_(philosopher)" title="John MacFarlane (philosopher)">John MacFarlane</a></li> <li><a href="/wiki/Simon_Marlow" title="Simon Marlow">Simon Marlow</a></li> <li><a href="/wiki/Conor_McBride" title="Conor McBride">Conor McBride</a></li> <li><a href="/wiki/Erik_Meijer_(computer_scientist)" title="Erik Meijer (computer scientist)">Erik Meijer</a></li> <li><a href="/wiki/Simon_Peyton_Jones" title="Simon Peyton Jones">Simon Peyton Jones</a></li> <li><a href="/wiki/David_Roundy" title="David Roundy">David Roundy</a></li> <li><a href="/wiki/Joe_Stoy" title="Joe Stoy">Joe Stoy</a></li> <li><a href="/wiki/Audrey_Tang" title="Audrey Tang">Audrey Tang</a></li> <li><a href="/wiki/Simon_Thompson_(professor)" title="Simon Thompson (professor)">Simon Thompson</a></li> <li><a href="/wiki/Philip_Wadler" title="Philip Wadler">Philip Wadler</a></li></ul></div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div><i>Italics</i> <b>= discontinued</b> <li><b>° = <a href="/wiki/Open-source_software" title="Open-source software">Open-source software</a></b><br /><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Symbol_book_class2.svg" class="mw-file-description" title="Wikipedia book"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/89/Symbol_book_class2.svg/16px-Symbol_book_class2.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/89/Symbol_book_class2.svg/23px-Symbol_book_class2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/89/Symbol_book_class2.svg/31px-Symbol_book_class2.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span> <b><a href="https://en.wikibooks.org/wiki/Haskell" class="extiw" title="wikibooks:Haskell">Book</a></b> <span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Haskell_programming_language_family" title="Category:Haskell programming language family">Category:Family</a></b> <span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Haskell_software" title="Category:Haskell software">Category:Software</a></b></li></div></td></tr></tbody></table></div> <p><br /> </p> <style data-mw-deduplicate="TemplateStyles:r1012311289">.mw-parser-output .asbox{position:relative;overflow:hidden}.mw-parser-output .asbox table{background:transparent}.mw-parser-output .asbox p{margin:0}.mw-parser-output .asbox p+p{margin-top:0.25em}.mw-parser-output .asbox-body{font-style:italic}.mw-parser-output .asbox-note{font-size:smaller}.mw-parser-output .asbox .navbar{position:absolute;top:-0.75em;right:1em;display:none}</style><div role="note" class="metadata plainlinks asbox stub"><table role="presentation"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/File:Computer-globe.svg" class="mw-file-description"><img alt="Stub icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Computer-globe.svg/38px-Computer-globe.svg.png" decoding="async" width="38" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Computer-globe.svg/57px-Computer-globe.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Computer-globe.svg/76px-Computer-globe.svg.png 2x" data-file-width="610" data-file-height="393" /></a></span></td><td><p class="asbox-body">This <a href="/wiki/World_Wide_Web" title="World Wide Web">Web</a>-<a href="/wiki/Software" title="Software">software</a>-related article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. 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