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-// 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.
-
-fn main() {
- // You can optionally experiment here.
-}
-
-#[cfg(test)]
-mod tests {
- #[test]
- fn iterators() {
- let my_fav_fruits = ["banana", "custard apple", "avocado", "peach", "raspberry"];
-
- // TODO: Create an iterator over the array.
- let mut fav_fruits_iterator = my_fav_fruits.iter();
-
- assert_eq!(fav_fruits_iterator.next(), Some(&"banana"));
- assert_eq!(fav_fruits_iterator.next(), Some(&"custard apple")); // TODO: Replace `todo!()`
- assert_eq!(fav_fruits_iterator.next(), Some(&"avocado"));
- assert_eq!(fav_fruits_iterator.next(), Some(&"peach")); // TODO: Replace `todo!()`
- assert_eq!(fav_fruits_iterator.next(), Some(&"raspberry"));
- assert_eq!(fav_fruits_iterator.next(), None); // TODO: Replace `todo!()`
- }
-}