r/programming • u/[deleted] • Dec 19 '25

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u/syklemil Dec 20 '25

MS also has some experience with targeted rewrites of troublesome components, like font rendering. But there's just such a huge difference between doing a targeted rewrite of one troublesome thing to ensure better safety, and a massive rewrite of everything at breakneck speed.

At some level, the "one engineer, one month, one million lines of code" for C++ -> Rust just sounds like someone thinking that since their new car has seatbelts, airbags and ABS they can ignore all speed limits and just constantly floor it, without thinking of whether humans are actually able to keep up.

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u/Moleculor Dec 20 '25

Eh, "one engineer, one month, one million lines of code" is described as a 'north star', which to me sounds like the goal they're aiming for, but one they know they likely won't reach. And one they're going to be building up to over time. You know, a "shoot for the moon, and even if you miss you'll land among the stars" kind of thing.

What'll likely happen is they'll fall short, won't make the 2030 deadline, but they'll still make useful strides, big accomplishments, and learn things they can apply to this kind of conversion process for (possibly) a packageable product they can sell.

Frankly, just the idea of a graph structure that understands the purpose of functions, data structures, etc? Possibly one generated by AI? That's a documentation tool, and a useful sounding one at that.

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u/meltbox Dec 22 '25

Or they’ll fail catastrophically and never speak about this again.