pub trait Offset {
const VALUE: usize;
}
macro_rules! declare_offset {
($($name:ident => $value:literal),*) => {
$(
pub struct $name;
impl Offset for $name {
const VALUE: usize = $value;
}
)*
};
}
declare_offset!(Zero => 0, One => 1, Two => 2, Three => 3, Four => 4);