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| -rw-r--r-- | src/doc/book/guessing-game.md | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/doc/book/guessing-game.md b/src/doc/book/guessing-game.md index 2e315333565..80aca56bd1e 100644 --- a/src/doc/book/guessing-game.md +++ b/src/doc/book/guessing-game.md @@ -908,6 +908,7 @@ let guess: u32 = match guess.trim().parse() { ``` This is how you generally move from ‘crash on error’ to ‘actually handle the +error’, by switching from `expect()` to a `match` statement. The `Result` returned by `parse()` is an `enum` like `Ordering`, but in this case, each variant has some data associated with it: `Ok` is a success, and `Err` is a failure. Each contains more information: the successfully parsed integer, or an |