File: issue-15673.rs

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rustc 1.85.0%2Bdfsg3-1
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//@ run-pass
#![allow(stable_features)]

#![feature(iter_arith)]

fn main() {
    let x: [u64; 3] = [1, 2, 3];
    assert_eq!(6, (0..3).map(|i| x[i]).sum::<u64>());
}