Macro gen_recursive_value

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

Generates the recursive value corresponding to the given indices:

gen_recursive_value(self; 1, 0)
=> Recursive { inner: Recursive {  inner: NoneMore, value: self.0 }, value: self.1 }