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Claude Code uses Bun written in Rust now

simonwillison.net

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Re: Claude Code uses Bun written in Rust now

#181

Post by skybrian »

layer8 wrote: post #100
atonse wrote: post #18

Earlier quoted context omitted.

It’s made absolutely no negative difference, as we’ve seen in the real world in the last 60 days since the merge. I feel weird having to defend reality; reality being that it was merged nearly 2 months ago and tons of people have had their pitchforks out without a shred of actual evidence that this made bun worse in any measurable way. But they still insist it was a mistake. I’ve never met Jared or the bun team but I…

> who cares what language a JS toolset is written in? Anthropic, apparently, not the least because they blanket-closed all issues submitted before the rewrite. If the language were irrelevant, it shouldn’t matter for the existing unfixed issues.

[dead]

Re: Claude Code uses Bun written in Rust now

#182

Post by mort96 »

pygy_ wrote: post #118
thevinter wrote: post #107

Earlier quoted context omitted.

> Update: The Rust version has been released as Bun canary - running bun upgrade --canary will install this release.)

Does `bun upgrade` provide the source code?

Isn't the source code in the git repo?

Re: Claude Code uses Bun written in Rust now

#183

Post by simonw »

rvz wrote: post #148
softwaredoug wrote: post #137

Earlier quoted context omitted.

People shouldn’t overthink blog posts. Just write what’s on your mind and have fun.

The motivation is obviously clear. No-one would be doing that for fun 24/7, only covering about AI and nothing else without getting paid for it. If anyone else did that on HN, they would be accused of slop with their domain blacklisted.

"only covering AI" - don't miss my wildlife photography! https://simonwillison.net/elsewhere/sighting/

(Unless photos of actual pelicans count as "AI" content now.)

I just shipped this filter UI so you can see my other non-AI-tagged content in one place: https://simonwillison.net/search/?exclude.tag=ai

Re: Claude Code uses Bun written in Rust now

#184

Post by hvb2 »

nirui wrote: post #141

All the emotion of speculations aside, how it runs? It boots faster yeah, but what about RAM and CPU usage? Weird dead loop or dead locks? If it run as good as before or even better, then that's kinda impressive. I'm a developer so I really don't like it when AI might took my job, but if everyone on this planet could create a software for themselves exactly as how they wanted with just a few simple demands, that will…

A good tool, in the hands of a skilled craftsman gets great results.

The same tool, in the hands of someone that doesn't know how to handle it? I'll let you finish that

Basically, a good developer can handle the tool better by asking the proper questions, setting good guardrails and tweaking the output where needed

Re: Claude Code uses Bun written in Rust now

#186

Post by firesteelrain »

afavour wrote: post #133
firesteelrain wrote: post #132

Earlier quoted context omitted.

Please re read your original comment. AI rewrite is one thing and objecting to FOSS/non FOSS is a new argument, anti-Anthropic etc is moving the goal posts. The main argument was the blanket rewrite to Rust using Claude. Now, /you/ are trying to move the goalposts into an entirely different argument. Very likely it’s just anti Anthropic altogether. Like I said, a meme. Anthropic hasn’t done anything wrong but if they…

Airing two entirely separate objections to a project is not “moving the goalposts”. The original objection still stands! You’re using a phrase you’ve heard in an inappropriate context. I’m sorry but this is a nonsensical debate. > Now, /you/ are trying to move the goalposts into an entirely different argument. You said something and I responded to it. That’s invalid too now? There can only ever be one single objectio…

[dead]

Re: Claude Code uses Bun written in Rust now

#188

Post by kstenerud »

afavour wrote: post #130
kstenerud wrote: post #127

Earlier quoted context omitted.

Yeah. One single project that they control. Not thousands of other people's projects breaking, I'm sure with a ton of HN outcry over releasing "this pile of vibe coded slop" upon the poor populace. You just can't win.

> you just can’t win You could! You could not release a “pile of vibe coded slop” onto people’s machines. There don’t even appear to be any particular advantages to Claude upgrading early. If there are no one has been made aware of it.

How do you know it's vibe coded slop? Have you seen the source code?

Re: Claude Code uses Bun written in Rust now

#189

Post by Dylan16807 »

avianlyric wrote: post #173
Dylan16807 wrote: post #153

Earlier quoted context omitted.

Is the idea that a code base reset makes something stop being open source? Or that the number of people doing the reset matters? I don't see why either of those would be true. The project isn't dead just because it's in a different language now, and for liveness purposes it doesn't matter how it got to that different language.

I think the point is that an “open source project” is more than just the code and license, it’s also the community that builds and maintains it. A fast rewrite of Bun in Rust has effectively alienated most of the people in the Bun community, so in that sense the “open source project” has died. It’s no longer a community project, it’s just become a personal project again.

A reset is very different from not being open source any more. If losing most of the community would mark a project dead in open source terms, then every new project would be dead on arrival. And that would just be silly.
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