diff options
Diffstat (limited to 'exercises/options/options2.rs')
| -rw-r--r-- | exercises/options/options2.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/exercises/options/options2.rs b/exercises/options/options2.rs new file mode 100644 index 0000000..a1c21d3 --- /dev/null +++ b/exercises/options/options2.rs @@ -0,0 +1,25 @@ +// options2.rs +// Make me compile! Execute `rustlings hint option2` for hints + +// I AM NOT DONE + +fn main() { + let optional_word = Some(String::from("rustlings")); + // TODO: Make this an if let statement whose value is "Some" type + word = optional_word { + println!("The word is: {}", word); + } else { + println!("The optional word doesn't contain anything"); + } + + let mut optional_integers_vec: Vec<Option<i8>> = Vec::new(); + for x in 1..10 { + optional_integers_vec.push(Some(x)); + } + + // 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 + integer = optional_integers_vec.pop() { + println!("current value: {}", integer); + } +} |
