Option Type
#![allow(unused)] fn main() { }
Options are returned by lots of things to let you know if there is a valid value or not.
More stuff on this page:
https://doc.rust-lang.org/book/ch06-02-match.html
#![allow(unused)] fn main() { }
Options are returned by lots of things to let you know if there is a valid value or not.
More stuff on this page:
https://doc.rust-lang.org/book/ch06-02-match.html