Macro uniform

macro_rules! uniform {
    (
        $(
            $(#[$a:meta])* $v:vis struct $name:ident {
                $(
                    $fv:vis $f:ident : $ft:tt
                ),*
                $(,)?
            }
        )*
    ) => { ... };
    (@NAME $f:ident : [ $ft:ty; $n:literal ]) => { ... };
    (@NAME $f:ident : $ft:ty) => { ... };
}