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https://github.com/rust-lang/rust
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12 lines
293 B
Rust
12 lines
293 B
Rust
// run-pass
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fn main() {
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let v = vec![1, 2, 3];
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let boxed: Box<dyn Iterator<Item=i32>> = Box::new(v.into_iter());
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assert_eq!(boxed.max(), Some(3));
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let v = vec![1, 2, 3];
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let boxed: &mut dyn Iterator<Item=i32> = &mut v.into_iter();
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assert_eq!(boxed.max(), Some(3));
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}
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