{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"let"}]}
                let struct_ctor = match def_id.as_local() {
            (Res::Def(DefKind::Struct, def_id), source) if ns == ValueNS => {
                    Some(def_id) => self.r.struct_constructors.get(&def_id).cloned(),