https://doc.rust-lang.org/nomicon/unwinding.html https://doc.rust-lang.org/nomicon/unwinding.html explains the philosophy and how they got there a bit further.

https://doc.rust-lang.org/nomicon/unwinding.html https://doc.rust-lang.org/nomicon/unwinding.html explains the philosophy and how they got there a bit further. Rust grew from a short-lived task concept, where panic of a task wouldn't be the end of the world, then it got used to write bigger applications instead and finer catch-concepts were needed.