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#systemf

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𝚛𝚊𝚝<p><span class="h-card" translate="no"><a href="https://mastodon.sdf.org/@screwtape" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>screwtape</span></a></span> <a href="https://en.wikipedia.org/wiki/Lambda_cube" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/Lambda_c</span><span class="invisible">ube</span></a> <a href="https://social.sdf.org/tags/lambdacalculus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lambdacalculus</span></a> <a href="https://social.sdf.org/tags/coq" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>coq</span></a> <a href="https://social.sdf.org/tags/systemf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>systemf</span></a></p>
HoldMyType<p>a simple extension to the prenex fragment of <a href="https://mathstodon.xyz/tags/SystemF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SystemF</span></a> that allows closures to be stack-allocated.<br><a href="https://arxiv.org/abs/2108.07389" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2108.07389</span><span class="invisible"></span></a></p>
HoldMyType<p>polymorphic calculi like <a href="https://mathstodon.xyz/tags/systemF" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>systemF</span></a>, it would be nice to be able to infer the type abstractions and applications, and omit the annotations on λs as above. This is also undecidable, but the proof is much harder<br><a href="https://cs.stackexchange.com/questions/12691/what-makes-type-inference-for-dependent-types-undecidable/12957#12957" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">cs.stackexchange.com/questions</span><span class="invisible">/12691/what-makes-type-inference-for-dependent-types-undecidable/12957#12957</span></a></p>
Hyperreal Gopher :debian:<p>I just finished the State section of <a href="https://fosstodon.org/tags/systemf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>systemf</span></a>'s <a href="https://fosstodon.org/tags/fpcourse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fpcourse</span></a>! I wanted to double down on learning <a href="https://fosstodon.org/tags/haskell" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>haskell</span></a> before I got back to working on projects.</p><p><a href="https://gist.github.com/hyperrealgopher/2990e00193f65a56009fac37cec0372c" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gist.github.com/hyperrealgophe</span><span class="invisible">r/2990e00193f65a56009fac37cec0372c</span></a></p><p>A link to my older solutions: <a href="https://fosstodon.org/@hyperrealgopher/105960643461269805" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">fosstodon.org/@hyperrealgopher</span><span class="invisible">/105960643461269805</span></a></p>
Hyperreal Gopher :debian:<p>I need to keep my comments that I write to think out problems instead of deleting them to make my code seem clearer as I progress through <a href="https://fosstodon.org/tags/systemf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>systemf</span></a>'s <a href="https://fosstodon.org/tags/fpcourse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fpcourse</span></a>.</p><p>Others might find that useful.</p><p><a href="https://fosstodon.org/tags/haskell" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>haskell</span></a></p>
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