// option1.rs // 让我通过编译!执行 `rustlings hint option1` 获取提示! // I AM NOT DONE // 你可以自由修改代码,但这个函数签名除外。 fn print_number(maybe_number: Option) { println!("printing: {}", maybe_number.unwrap()); } fn main() { print_number(13); print_number(99); let mut numbers: [Option; 5]; for iter in 0..5 { let number_to_add: u16 = { ((iter * 1235) + 2) / (4 * 16) }; numbers[iter as usize] = number_to_add; } }