rustlings/exercises/18_iterators/iterators1.rs
2024-06-28 02:26:35 +02:00

26 lines
998 B
Rust

// 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 = todo!();
assert_eq!(fav_fruits_iterator.next(), Some(&"banana"));
assert_eq!(fav_fruits_iterator.next(), todo!()); // TODO: Replace `todo!()`
assert_eq!(fav_fruits_iterator.next(), Some(&"avocado"));
assert_eq!(fav_fruits_iterator.next(), todo!()); // TODO: Replace `todo!()`
assert_eq!(fav_fruits_iterator.next(), Some(&"raspberry"));
assert_eq!(fav_fruits_iterator.next(), todo!()); // TODO: Replace `todo!()`
}
}