1fn main() {
 2    let version = std::env::var("CARGO_PKG_VERSION").unwrap();
 3    let out_dir = std::env::var("OUT_DIR").unwrap();
 4
 5    let mut parts = version.split(|c: char| !c.is_ascii_digit());
 6    let major = parts.next().unwrap().parse::<u16>().unwrap().to_be_bytes();
 7    let minor = parts.next().unwrap().parse::<u16>().unwrap().to_be_bytes();
 8    let patch = parts.next().unwrap().parse::<u16>().unwrap().to_be_bytes();
 9
10    std::fs::write(
11        std::path::Path::new(&out_dir).join("version_bytes"),
12        [major[0], major[1], minor[0], minor[1], patch[0], patch[1]],
13    )
14    .unwrap();
15}