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type Arr<const N: usize> = [u8; N - 1];
//~^ ERROR generic parameters may not be used in const operations
fn test<const N: usize>() -> Arr<N> where Arr<N>: Default {
Default::default()
}
fn main() {
let x = test::<33>();
assert_eq!(x, [0; 32]);
}
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