corruption.rs

fn foo(n: &u64) -> proc() -> u64 {
    proc() { *n }
}

fn mk_foo(n: u64) -> proc() -> u64 {
    foo(&n)
}

fn main() {
    let x = mk_foo(1);
    let y = mk_foo(2);
    println!("{}", x());
    println!("{:x}", y());
}