Update error-handling.md

Fix two typos while `io::stdin().read_line()` returns `Result` actually

Signed-off-by: acgtyrant <acgtyrant@gmail.com>
This commit is contained in:
Isaac Ge 2015-05-09 20:36:12 +08:00 committed by acgtyrant
parent 3906edf41e
commit fa3fd813d6

View file

@ -214,7 +214,7 @@ we can use the `unwrap()` method:
io::stdin().read_line(&mut buffer).unwrap();
```
`unwrap()` will `panic!` if the `Option` is `None`. This basically says "Give
`unwrap()` will `panic!` if the `Result` is `Err`. This basically says "Give
me the value, and if something goes wrong, just crash." This is less reliable
than matching the error and attempting to recover, but is also significantly
shorter. Sometimes, just crashing is appropriate.