use std::io::stdin;
use std::io::BufRead;
use std::io::BufReader;
enum Two {
A,
B
}
fn foo(x: Two) -> u32 {
match x {
Two::A => 1,
Two::A => 2,
Two::B => 3,
Two::B => 4,
}
}
fn main() {
}
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