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Fix iterator implementation in iterators1.rs

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Rock070 2024-01-10 00:11:33 +08:00
parent d6c5788761
commit 2c4dc73771
1 changed files with 4 additions and 6 deletions
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10
exercises/18_iterators/iterators1.rs
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@ -9,18 +9,16 @@
// Execute `rustlings hint iterators1` or use the `hint` watch subcommand for a // Execute `rustlings hint iterators1` or use the `hint` watch subcommand for a
// hint. // hint.
// I AM NOT DONE
#[test] #[test]
fn main() { fn main() {
let my_fav_fruits = vec!["banana", "custard apple", "avocado", "peach", "raspberry"]; let my_fav_fruits = vec!["banana", "custard apple", "avocado", "peach", "raspberry"];
let mut my_iterable_fav_fruits = ???; // TODO: Step 1 let mut my_iterable_fav_fruits = my_fav_fruits.iter(); // TODO: Step 1
assert_eq!(my_iterable_fav_fruits.next(), Some(&"banana")); 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(&"custard apple")); // TODO: Step 2
assert_eq!(my_iterable_fav_fruits.next(), Some(&"avocado")); 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(&"peach")); // TODO: Step 3
assert_eq!(my_iterable_fav_fruits.next(), Some(&"raspberry")); assert_eq!(my_iterable_fav_fruits.next(), Some(&"raspberry"));
assert_eq!(my_iterable_fav_fruits.next(), ???); // TODO: Step 4 assert_eq!(my_iterable_fav_fruits.next(), None); // TODO: Step 4
} }