{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"hir::ExprKind::Index(base_expr,"}]}
                hir::ExprKind::Index(base_expr, ..) => {
            match expr.kind {
                    self.convert_place_op_to_mutable(PlaceOp::Index, expr, base_expr);