Certainly not. See: https://blog.burntsushi.net/unwrap/#why-not-return-an-error-instead-of-panicking https://blog.burntsushi.net/unwrap/#why-not-return-an-error

Certainly not. See: https://blog.burntsushi.net/unwrap/#why-not-return-an-error-instead-of-panicking https://blog.burntsushi.net/unwrap/#why-not-return-an-error-... But also the rest of the blog post should help clear up the confusion.