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path: root/tests/ui/issues/issue-20953.rs
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//@ 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); }
}