{"ast_node_type":"function","tokens":[{"end":68,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn is_universal_region(&self, r: RegionVid) -> bool {
    /// Returns `true` if `r` is a member of this set of universal regions.
        (FIRST_GLOBAL_INDEX..self.num_universals).contains(&r.index())