Function power_of_4_with_index

org/src/version_tree.rs:17–27

(x: u32)

];

pub fn power_of_4_with_index(x: u32) -> Option<usize> {
    // Check if the number is 0 (not a power of 4)
    if x == 0 {
        return None;
    }
    // Check if x is in the list of powers of 4 and return its index
    match POWERS_OF_4.iter().position(|&power| power == x) {
        Some(index) => Some(index),
        None => None,
    }
}

#[derive(Debug)]
struct VersionNode {