diff options
Diffstat (limited to 'exercises/18_iterators')
| -rw-r--r-- | exercises/18_iterators/iterators1.rs | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/exercises/18_iterators/iterators1.rs b/exercises/18_iterators/iterators1.rs index 52b704d..86278a4 100644 --- a/exercises/18_iterators/iterators1.rs +++ b/exercises/18_iterators/iterators1.rs @@ -1,8 +1,6 @@ // When performing operations on elements within a collection, iterators are // essential. This module helps you get familiar with the structure of using an // iterator and how to go through elements within an iterable collection. -// -// Make me compile by filling in the `???`s fn main() { // You can optionally experiment here. @@ -10,19 +8,18 @@ fn main() { #[cfg(test)] mod tests { - use super::*; - #[test] fn iterators() { - let my_fav_fruits = vec!["banana", "custard apple", "avocado", "peach", "raspberry"]; + let my_fav_fruits = ["banana", "custard apple", "avocado", "peach", "raspberry"]; - let mut my_iterable_fav_fruits = ???; // TODO: Step 1 + // TODO: Create an iterator over the array. + let mut fav_fruits_iterator = ???; - assert_eq!(my_iterable_fav_fruits.next(), Some(&"banana")); - assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 2 - assert_eq!(my_iterable_fav_fruits.next(), Some(&"avocado")); - assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 3 - assert_eq!(my_iterable_fav_fruits.next(), Some(&"raspberry")); - assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 4 + assert_eq!(fav_fruits_iterator.next(), Some(&"banana")); + assert_eq!(fav_fruits_iterator.next(), ???); // TODO: Replace `???` + assert_eq!(fav_fruits_iterator.next(), Some(&"avocado")); + assert_eq!(fav_fruits_iterator.next(), ???); // TODO: Replace `???` + assert_eq!(fav_fruits_iterator.next(), Some(&"raspberry")); + assert_eq!(fav_fruits_iterator.next(), ???); // TODO: Replace `???` } } |