mirror of
https://github.com/rust-lang/rustlings.git
synced 2024-12-28 00:00:03 +03:00
b7ddd09fab
Adjust error text and naming to conform with best practices. Use `map_err()` instead of `or()`. Wrap lower-level errors instead of ignoring their details. Also, don't "cheat" by bypassing the `new()` function in tests. Fix a dangling reference in the try_from_into hints. |
||
|---|---|---|
| .. | ||
| errors1.rs | ||
| errors2.rs | ||
| errors3.rs | ||
| errors4.rs | ||
| errors5.rs | ||
| errors6.rs | ||
| README.md | ||
Error handling
Most errors aren’t serious enough to require the program to stop entirely. Sometimes, when a function fails, it’s for a reason that you can easily interpret and respond to. For example, if you try to open a file and that operation fails because the file doesn’t exist, you might want to create the file instead of terminating the process.