Question

How to pass an array to a function in Rust

Answer 1

fn change(arr: &mut [i32]) {
    arr[0] = 99;
}

fn main() {
    let mut arr: [i32; 5] = [5, 7, 8, 0, 3];
    
    change(&mut arr);
    
    for n in arr {
        println!("{}", n);
    }
}




/*
run:

99
7
8
0
3

*/

 

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