{"ast_node_type":"function","tokens":[{"end":80,"kind":"keyword","start":0,"text":"fn"}]}
    fn try_as_local(&mut self, index: VnIndex, loc: Location) -> Option<Local> {
    /// return it. If you used this local, add it to `reused_locals` to remove storage statements.
        let other = self.rev_locals.get(index)?;