{"ast_node_type":"variable","tokens":[{"end":81,"kind":"keyword","start":0,"text":"let"}]}
                let fail_out_of_bounds = |this: &mut Self, location, field, ty| {
            Rvalue::NullaryOp(NullOp::OffsetOf(indices), container) => {
                    this.fail(location, format!("Out of bounds field {field:?} for {ty}"));