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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Alejandro may want to comment…<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> ghc-devs [mailto:ghc-devs-bounces@haskell.org]
<b>On Behalf Of </b>Artem Pelenitsyn<br>
<b>Sent:</b> 26 February 2018 17:05<br>
<b>To:</b> ghc-devs@haskell.org<br>
<b>Subject:</b> Guarded Impredicativity implementation<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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Dear ghc-devs,<o:p></o:p></p>
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Is there any work has been done on the latest (ttbomk) proposal for impredicative types in Haskell:<br>
<br>
> Guarded impredicative polymorphism by Alejandro Serrano, Jurriaan Hage, Dimitrios Vytiniotis, Simon Peyton Jones<br>
<a href="https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.microsoft.com%2Fen-us%2Fresearch%2Fwp-content%2Fuploads%2F2017%2F07%2Fimpredicative-Jul17.pdf&data=04%7C01%7Csimonpj%40microsoft.com%7Cf686ab108af4499d069908d57d3b574c%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C1%7C636552616185599409%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwifQ%3D%3D%7C-1&sdata=SLgThIE8WUMO8fLwSO2uS10wt3gNzWak1XMimbYApwI%3D&reserved=0">https://www.microsoft.com/en-us/research/wp-content/uploads/2017/07/impredicative-Jul17.pdf</a><o:p></o:p></p>
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Or are there any plans to do so? I wasn't able to spot any mentions of this in either of GHC's forums (this list, Trac, wiki, ghc-proposals repo).<br>
<br>
--<o:p></o:p></p>
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Best wishes,<o:p></o:p></p>
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Artem Pelenitsyn<o:p></o:p></p>
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