4 ms·

How is an error differentiated from a panic? Can a panic as is caused by the OOB situation I described be recovered from, or is it necessarily fatal?

• masklinn 9y ago
  > How is an error differentiated from a panic? I'm using them for the same purpose, but panic is rust-specific whereas error is not. > Can a panic as is caused by the OOB situation I described be recovered from, or is it necessarily fatal? Technically it can be recovered from[0] but practically it usually should not be. Panics should not be used as an exceptions system. An OOB panic is basically a failed assertion. If OOB is a normal part of your operations, use a panic-safe access method (e.g. slice::get[1] which returns an Option<&T>) [0] https://doc.rust-lang.org/std/panic/fn.catch_unwind.html https://doc.rust-lang.org/std/panic/fn.catch_unwind.html [1] https://doc.rust-lang.org/std/primitive.slice.html#method.get https://doc.rust-lang.org/std/primitive.slice.html#method.ge...
  • ue_ 9y ago
    Interesting, thank you.