Macro exr::image::recursive::gen_recursive_type

macro_rules! gen_recursive_type {
    () => { ... };
    ($last:ident $(,$not_last:ident)*) => { ... };
}

Generates the recursive type corresponding to this tuple:

gen_recursive_type!(A, B, C)
=> Recursive<Recursive<Recursive<NoneMore, A>, B>, C>