trait T<T> {
    fn test(t: T) -> bool;
}

struct Test;

impl T<i32> for Test {
    fn test(t: i32) -> bool {
        println!("i32 impl!");
        t % 2 == 0
    }
}

impl T<bool> for Test {
    fn test(t: bool) -> bool {
        println!("bool impl!");
        t
    }
}


fn main() {
    let t1 = Test::test(2);
    let t2 = Test::test(false);
    println!("{T1}, {T2}", T1 = t1, T2 = t2)
}