{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"self.walk_pats(pat_id,"}]}
        self.walk_pats(pat_id, &mut |pat| {
    pub fn walk_bindings_in_pat(&self, pat_id: PatId, mut f: impl FnMut(BindingId)) {
            if let Pat::Bind { id, .. } = &self[pat] {