{"ast_node_type":"variable","tokens":[{"end":81,"kind":"keyword","start":0,"text":"let"}]}
                let fields: Vec<(ConstValue, Ty<'_>)> = contents.fields.to_vec();
            if let Some(contents) = tcx.try_destructure_mir_constant_for_user_output(ct, ty) {
                match *ty.kind() {