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// run-pass

use std::fmt;

struct Array<T, const N: usize>([T; N]);

impl<T: fmt::Debug, const N: usize> fmt::Debug for Array<T, N> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.debug_list().entries(self.0.iter()).finish()
    }
}

fn main() {
    assert_eq!(format!("{:?}", Array([1, 2, 3])), "[1, 2, 3]");
}