rust/src/test/ui/const-generics/mut-ref-const-param-array.rs

// run-pass
// revisions: full min

#![cfg_attr(full, feature(const_generics))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(min, feature(min_const_generics))]


use std::ops::AddAssign;

fn inc<T: AddAssign + Clone, const N: usize>(v: &mut [T; N]) -> &mut [T; N] {
    for x in v.iter_mut() {
        *x += x.clone();
    }
    v
}

fn main() {
    let mut v = [1, 2, 3];
    inc(&mut v);
    assert_eq!(v, [2, 4, 6]);
}