> There was almost no learning curve, despite being in an entirely different language. The core architecture, data structures, and concepts were the same.

> If you read the Bun blog post on how they did it, their rewrite was similar: The first step was getting it into a new language, not rearchitecting it from scratch

They eventually might regret this, when they are trying to get rid of the last lines of unsafe code. Rust needs to be written differently before you can write safe things to perform fast when compared to other languages or unsafe code. It takes a lot of experience before you can see it.