22 lines
444 B
Rust
22 lines
444 B
Rust
//@ run-pass
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#![allow(non_snake_case)]
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#![allow(non_camel_case_types)]
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trait repeat<A> { fn get(&self) -> A; }
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impl<A:Clone + 'static> repeat<A> for Box<A> {
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fn get(&self) -> A {
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(**self).clone()
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}
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}
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fn repeater<A:Clone + 'static>(v: Box<A>) -> Box<dyn repeat<A>+'static> {
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Box::new(v) as Box<dyn repeat<A>+'static> // No
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}
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pub fn main() {
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let x = 3;
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let y = repeater(Box::new(x));
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assert_eq!(x, y.get());
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}
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