https://unnamed.website/tags/javascript/Recent content in Javascript on Unnamed WebsiteHugoen-usAnthony WangAnthony WangFri, 04 Jul 2025 15:03:02 -0400https://unnamed.website/posts/bad-apple-lean-tactic/Fri, 04 Jul 2025 15:03:02 -0400Anthony Wanghttps://unnamed.website/posts/bad-apple-lean-tactic/<p><a href="https://lean-lang.org">Lean</a> is a modern programming language that happens to also be a proof assistant. It&rsquo;s also the best programming language of all time.</p> <style> .chardiv { float: left; width: 100px; } .charimg { height: 60px; } blockquote { min-height: 60px; } </style> <div class="chardiv"> <img src="https://unnamed.website/img/char/kublai.png" class="charimg"> </div> <blockquote><strong>Kublai</strong>: No it&rsquo;s not! You haven&rsquo;t even convinced any of your friends to try Lean, much less convince them that it&rsquo;s the best!</blockquote> <p>OK, uh, good point. I guess <a href="https://unnamed.website/posts/alis-uyghur-kitchen-megathread/">&ldquo;the Ali&rsquo;s Uyghur Kitchen of programming&rdquo;</a> is not a very convincing sales pitch to most people. One friend asked me for any examples of Lean programs that actually do real<sup id="fnref:1"><a href="#fn:1" class="footnote-ref" role="doc-noteref">1</a></sup> stuff, and sure there&rsquo;s <a href="https://github.com/leanprover/verso">Verso</a> and <a href="https://github.com/kmill/lean4-raytracer">lean4-raytracer</a> and of course Lean itself, but they don&rsquo;t really grab people&rsquo;s attentions.</p>