Macro mm0b_parser::make_index_trait

macro_rules! make_index_trait {
    ([<$($lft:lifetime),*>, $ty:ident, $trait:ident, $notrait:ident, $f:ident, $f_mut:ident]
    $($fns:item)*) => { ... };
}

Constructs a new trait for accessing a subcomponent of the [MmbIndex] data, with automatic impls for (), (A, B) and the subcomponent itself.