error: borrowed data cannot be stored outside of its closure
 --> $DIR/basic_branding2.rs:8:21
  |
7 |     let _a = scope(&arr1[..], |arr| {
  |         --                    ----- ...because it cannot outlive this closure
  |         |
  |         borrowed data cannot be stored into here...
8 |         let r = arr.range::<u32>();        //~ ERROR borrowed data cannot be stored outside of its closure
  |                     ^^^^^ cannot be stored outside of its closure