How is the Bun Rewrite in Rust Going?

3 months ago by cm0002 to c/programmer_humor

I think it’s important to be very Canny when someone makes a claim that supports a company’s large valuation.

BeigeAgenda 104 points 3 months ago

My guess:

All testcases are passing, all verifications say everthing is ported correctly, only problem is that nothing works.

They will need to spend a year manually debugging before they can release something in alpha quality .

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onlinepersona 60 points 3 months ago

From reading the blog post, I'm guessing you're right. They now have to understand what the AI did and clean up after it. But they will do so with more AI. It's doubtful there will anybody who actually understands the codebase.

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a_non_monotonic_function 48 points 3 months ago

Sounds like a terrifying place to work.

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onlinepersona 32 points 3 months ago

It's highly likely they have huge salaries to go along with it. There are worse ways to spend your time.

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a_non_monotonic_function 21 points 3 months ago

Maybe, but you'd be surprised how many shitty, low paying shops exist out there that pull stupid shit.

A few of my graduates went to one locally where they did not have a single version control system setup. Granted this was about 10 years ago but 2016 was still in an era where they should have known better.

You had a fuckton of newbies and non-coders who schmoozed into positions basically live editing prod.

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fruitcantfly 36 points 3 months ago

It can't be quite that bad; they've been shipping the rust version of Bun with Claude Code since v2.1.181 (released June 18th), and I haven't seen an outcry over all related functionality breaking

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rumschlumpel 13 points 3 months ago

Why is the article talking so much about the lack of new release tag if the rewrite is already being shipped?

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fruitcantfly 14 points 3 months ago

The author probably didn't know. I believe that the 1.4 build is only available via the bun self-updater as a "canary" release. It hasn't been officially released yet

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locuester 3 points 3 months ago

Because the author was writing something about which they already made up their mind. It’s not an investigative piece, it’s a circle jerk.

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django 54 points 3 months ago

P.S. Anthropic’s C compiler and Cursor’s FastRender web browser haven’t had any commits for months.

That's a interesting catch. Did the agents lose interest? Definitely a speedup on the abandonment pipeline.

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NigelFrobisher 28 points 3 months ago

Currently weeks into trying to patch up all the many holes in an AI rewrite of an app we were told would only take hours, which is still at approximately prototype quality.

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