| //@ run-pass | |
| #![allow(unused_mut)] | |
| #![allow(unused_variables)] | |
| fn main() { | |
| let mut shrinker: Box<dyn Iterator<Item=i32>> = Box::new(vec![1].into_iter()); | |
| println!("{:?}", shrinker.next()); | |
| for v in shrinker { assert!(false); } | |
| let mut shrinker: &mut dyn Iterator<Item=i32> = &mut vec![1].into_iter(); | |
| println!("{:?}", shrinker.next()); | |
| for v in shrinker { assert!(false); } | |
| } |