commit: 00cfa5930a6fbce15c2f6495518228109ab7d970
parent b39f465055104e440074359f5eac2888b1b0bf81
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date: Wed, 28 Aug 2019 18:48:11 +0200
articles/Rust sucks as a system language: New article
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+ <meta property="og:title" content="Rust sucks as a system language"/>
+ <title>Rust sucks as a system language — Cyber-home of lanodan</title>
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+<a href="/articles/Rust%20sucks%20as%20a%20system%20language"><h1>Rust sucks as a system language</h1></a>
+<p>I've been ranting against rust on social media from time to time and I quite want to put down why I just basically ban rust and specially consider it harmful as a system language, by that I mean stuff like libraries, as I might have to grow okay with rust for applications… (or maybe not, for now I'm ignoring update/new stuff done in rust, specially with rust as an argument)</p>
+
+<h2>There is no system libs</h2>
+<p>There is only Static Linking… another thing where a lot of stuff was thrown around, my take about linking is:<ul>
+ <li>Dynamic Linking is great for shared libraries on a managed system so you can fix something once a for all</li>
+ <li>Static Linking is great for distributing binaries on unknown systems (Netscape still runs with official static binaries today, it's hopeless with dynamic)</li>
+ <li>Static Linking isn't well integrated in packaging systems (it's more often used for a minimalist rescue system, which tends to be a completely separated system)</p>
+ <li>Dynamic and Static Linking have both points for security and it all goes down if the system/environment is controlled or not (and any code in a broken environment is going to be broken anyway)</li>
+</ul></p>
+<p>Additionally as far as I know, there is also no shared location on the system for static libraries (<code>.la</code> files in C) nor source code either (instead of binaries it could be the source).<p>
+<p>So we end up with applications packages that are easy to spread out but difficult/impossible to maintain in the long term… I would call that a virus, good or evil.</p>
+
+<h2>npm-like scene for libraries</h2>
+<p>In npm you often end up with way too much parts, <code>node_modules</code> directory in my install of mastofe has <code>1063</code> modules, this is basically the amount of stuff you get on a basic (but not minimalist) Linux system. Rust has a quite similar way of ending up with a pile of dependencies for a simple application.</p>
+<p>Now I want you to imagine that there is a patch or bump to be done on a library almost everyone uses, it will have to be applied on each dependent of the software (see previous section), which is probably going to take a very long time (like 2 weeks for a slow validation of a package maintainer and add a bit of QA testing time), there is <del>two</del> three ways I currently know on how Rust is packaged:<ul>
+<li>Network fetching by cargo: Applying it is going to be a mess but you have no reproductibility anyway so you could cheat a bit</li>
+<li>Fetch done by the packaging system: Applying the patch should be possible</li>
+<li>integrated in the tarball: Applying the patch might be a mess as they might have slightly modified the code</li>
+</ul></p>
+
+<h2>Extra: The main and only de-jure complete implementation is unstable</h2>
+<p>You probably heard it before "Rust has no specification", which means that <code>rustc</code> is the de-facto only implementation of rust, the rest is something similar to reverse-engineering (like clang/LLVM has to do on some GCC extensions but it's the whole language instead). It also happens that <code>rustc</code> tends to break a lot, I often end up editing it's code for it to work with LibreSSL or other C issues almost no software has these days, funny for a language which tends to be branded as a C replacement.</p>
+
+<h2>Conclusion</h2>
+<p>So we end up with code than cannot be realistically be updated in a timely manner for security, yet there is C/C++ libraries moving to Rust (with a Foreign Function Interface to keep API compatibility), I would quite appreciated if libraries wouldn't do that of all the things.</p>
+<p>Also, there is nothing in here specifically about the language, I didn't learn it, I don't consider it to be something I would want to use. Go has been in the same position for me until the modules came and I'm quite glad there is a more high-level language which is great with networking and parsing because for me that's been a pain point in C.</p>
+<p><a href="">Fediverse post for comments</a>, published on 2019-08-28T16:35:00Z, last updated on 2019-08-28T16:35:00Z</p>
+</article>
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+ <title>Rust sucks as a system language</title>
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+ <id>https://hacktivis.me/articles/Rust%20sucks%20as%20a%20system%20language</id>
+ <published>2019-08-28T16:35:00Z</published>
+ <updated>2019-08-28T16:35:00Z</updated>
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<title>2019-07 Summary</title>
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