2020-04-02 19:40:59 +07:00
|
|
|
// option1.rs
|
2021-04-25 17:07:06 +07:00
|
|
|
//
|
|
|
|
// Make me compile!
|
|
|
|
//
|
|
|
|
// If you need help, open the corresponding README.md or run: rustlings hint option1
|
2020-03-06 03:52:54 +07:00
|
|
|
|
2020-04-02 19:40:59 +07:00
|
|
|
// I AM NOT DONE
|
2020-03-06 03:52:54 +07:00
|
|
|
|
2021-04-25 17:07:06 +07:00
|
|
|
// You can modify anything EXCEPT for this function's sig
|
2020-03-06 03:52:54 +07:00
|
|
|
fn print_number(maybe_number: Option<u16>) {
|
2020-03-12 00:44:10 +07:00
|
|
|
println!("printing: {}", maybe_number.unwrap());
|
2020-03-06 03:52:54 +07:00
|
|
|
}
|
|
|
|
|
|
|
|
fn main() {
|
|
|
|
print_number(13);
|
|
|
|
print_number(99);
|
|
|
|
|
|
|
|
let mut numbers: [Option<u16>; 5];
|
|
|
|
for iter in 0..5 {
|
|
|
|
let number_to_add: u16 = {
|
2020-05-27 15:50:24 +07:00
|
|
|
((iter * 1235) + 2) / (4 * 16)
|
2020-03-06 03:52:54 +07:00
|
|
|
};
|
|
|
|
|
2020-05-03 06:39:37 +07:00
|
|
|
numbers[iter as usize] = number_to_add;
|
2020-03-06 03:52:54 +07:00
|
|
|
}
|
2020-03-12 00:44:10 +07:00
|
|
|
}
|