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//@ run-pass
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pub fn main() {
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assert!(Some(Box::new(())).is_some());
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let xs: Box<[()]> = Box::<[(); 0]>::new([]);
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assert!(Some(xs).is_some());
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struct Foo;
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assert!(Some(Box::new(Foo)).is_some());
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let ys: Box<[Foo]> = Box::<[Foo; 0]>::new([]);
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assert!(Some(ys).is_some());
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}
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