Hi all,
is it possible to match on a variables value? I prepared a short snippet for pointing out my idea. I want the second match to print "goal" only if random_value is 2, but it should be variable. Currently goal is written by the match in the same way as rn in the first match.
extern crate rand;
fn main() {
let random_number: Option<u8> = Some(rand::random::<u8>() % 3);
// rn is written here - that's ok
match random_number {
Some(rn) => println!("num = {}", rn),
None => println!("num = None"),
}
let goal = 2u8;
// goal is written here - I want it to be constant like Some(0)
match random_number {
Some(0) => println!("zero"),
Some(goal) => println!("goal"),
Some(_) | None => println!("else"),
}
}
Kind regards,
Roman