diff options
Diffstat (limited to 'exercises')
| -rw-r--r-- | exercises/12_options/options2.rs | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/exercises/12_options/options2.rs b/exercises/12_options/options2.rs index 01f84c5..07c27c6 100644 --- a/exercises/12_options/options2.rs +++ b/exercises/12_options/options2.rs @@ -9,7 +9,7 @@ mod tests { let target = "rustlings"; let optional_target = Some(target); - // TODO: Make this an if let statement whose value is "Some" type + // TODO: Make this an if-let statement whose value is `Some`. word = optional_target { assert_eq!(word, target); } @@ -20,15 +20,15 @@ mod tests { let range = 10; let mut optional_integers: Vec<Option<i8>> = vec![None]; - for i in 1..(range + 1) { + for i in 1..=range { optional_integers.push(Some(i)); } let mut cursor = range; - // TODO: make this a while let statement - remember that vector.pop also - // adds another layer of Option<T>. You can stack `Option<T>`s into - // while let and if let. + // TODO: Make this a while-let statement. Remember that `Vec::pop()` + // adds another layer of `Option`. You can do nested pattern matching + // in if-let and while-let statements. integer = optional_integers.pop() { assert_eq!(integer, cursor); cursor -= 1; |