Question

How to create a two dimensional (2D) array in Rust

Answer 1

fn main() {
    const ROWS: usize = 3;
    const COLS: usize = 4;

    let arr = [[0; ROWS]; COLS];

    println!("{:#?}", arr);
}





/*
run:

[
    [
        0,
        0,
        0,
    ],
    [
        0,
        0,
        0,
    ],
    [
        0,
        0,
        0,
    ],
    [
        0,
        0,
        0,
    ],
]

*/

 

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