File: vec-dst.rs

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rustc 1.88.0%2Bdfsg1-1
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//@ run-pass

pub fn main() {
    // Tests for indexing into Box<[T; n]>/& [T; n]
    let x: [isize; 3] = [1, 2, 3];
    let mut x: Box<[isize; 3]> = x.into();
    assert_eq!(x[0], 1);
    assert_eq!(x[1], 2);
    assert_eq!(x[2], 3);
    x[1] = 45;
    assert_eq!(x[0], 1);
    assert_eq!(x[1], 45);
    assert_eq!(x[2], 3);

    let mut x: [isize; 3] = [1, 2, 3];
    let x: &mut [isize; 3] = &mut x;
    assert_eq!(x[0], 1);
    assert_eq!(x[1], 2);
    assert_eq!(x[2], 3);
    x[1] = 45;
    assert_eq!(x[0], 1);
    assert_eq!(x[1], 45);
    assert_eq!(x[2], 3);
}