#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::ops::BitAnd;
#[derive(Debug, PartialEq)]
struct BooleanVector(Vec<bool>);
impl BitAnd for BooleanVector {
    type Output = Self;
    fn bitand(self, Self(rhs): Self) -> Self::Output {
        let Self(lhs) = self;
        assert_eq!(lhs.len(), rhs.len());
        Self(lhs.iter().zip(rhs.iter()).map(|(x, y)| *x & *y).collect())
    }
}
fn main() {
    let bv1 = BooleanVector(vec![true, true, false, false]);
    let bv2 = BooleanVector(vec![true, false, true, false]);
    let expected = BooleanVector(vec![true, false, false, false]);
    assert_eq!(bv1 & bv2, expected);
}