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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I update the <a href="https://gitlab.haskell.org/ghc/ghc/merge_requests/1659">
MR Description</a> to make the link more discoverable.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">S<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> ghc-devs <ghc-devs-bounces@haskell.org>
<b>On Behalf Of </b>Alejandro Serrano Mena<br>
<b>Sent:</b> 05 September 2019 09:30<br>
<b>To:</b> GHC developers <ghc-devs@haskell.org><br>
<b>Subject:</b> Re: New implementation for `ImpredicativeTypes`<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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To follow up on this, the current spec. is available in the following PDF: <a href="https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.dropbox.com%2Fs%2Fhxjp28ym3lptmxw%2Fquick-look-steps.pdf%3Fdl%3D0&data=02%7C01%7Csimonpj%40microsoft.com%7Cb531ccc74392466a22a108d731db542e%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C1%7C637032690392226873&sdata=b%2FE4R3wka1%2FEgBqcg3MhJe8LZq7tP3UTs%2FHVqMVHKKw%3D&reserved=0">
https://www.dropbox.com/s/hxjp28ym3lptmxw/quick-look-steps.pdf?dl=0</a><o:p></o:p></p>
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El mié., 4 sept. 2019 a las 17:13, Alejandro Serrano Mena (<<a href="mailto:trupill@gmail.com">trupill@gmail.com</a>>) escribió:<o:p></o:p></p>
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Hi all,<o:p></o:p></p>
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As I mentioned some time ago, we have been busy working on a new implementation of `ImpredicativeTypes` for GHC. I am very thankful to everybody who back then sent us examples of impredicativity which would be nice to support, as far as we know this branch
supports all of them! :)<o:p></o:p></p>
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<o:p> </o:p></p>
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If you want to try it, at <a href="https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.haskell.org%2Ftrupill%2Fghc%2Fcommit%2Fa3f95a0fe0f647702fd7225fa719a8062a4cc0a5%2Fpipelines%3Fref%3Dquick-look-build&data=02%7C01%7Csimonpj%40microsoft.com%7Cb531ccc74392466a22a108d731db542e%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C1%7C637032690392226873&sdata=8QvcS%2FszcjdYrGxDPFrfWbj3g2p1lsYf9TDCfekFPFA%3D&reserved=0" target="_blank">
https://gitlab.haskell.org/trupill/ghc/commit/a3f95a0fe0f647702fd7225fa719a8062a4cc0a5/pipelines?ref=quick-look-build</a> you can find the result of the pipeline, which includes builds for several platforms (click on the "Artifacts" button, the one which looks
like a cloud, to get them). The code is being developed at <a href="https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.haskell.org%2Ftrupill%2Fghc&data=02%7C01%7Csimonpj%40microsoft.com%7Cb531ccc74392466a22a108d731db542e%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C1%7C637032690392236867&sdata=z05Ryg2y9fWVLixdQ63I%2F%2Fqzo05xS93LICRdq3HDETc%3D&reserved=0" target="_blank">
https://gitlab.haskell.org/trupill/ghc</a>.<o:p></o:p></p>
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<o:p> </o:p></p>
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Any code should run *unchanged* except for some eta-expansion required for some specific usage patterns of higher-rank types. Please don't hesitate to ask any questions or clarifications about it. A merge request for tracking this can be found at
<a href="https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.haskell.org%2Fghc%2Fghc%2Fmerge_requests%2F1659&data=02%7C01%7Csimonpj%40microsoft.com%7Cb531ccc74392466a22a108d731db542e%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C1%7C637032690392236867&sdata=q4zboFik4oGZaFZ4pk8c%2Be%2FleNQNIHsdtuf4grepj2k%3D&reserved=0" target="_blank">
https://gitlab.haskell.org/ghc/ghc/merge_requests/1659</a><o:p></o:p></p>
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<o:p> </o:p></p>
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Kind regards,<o:p></o:p></p>
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Alejandro<o:p></o:p></p>
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