arrays rust code example

Example 1: how to make an array in rust

//Array declaration. Array sizes must be known at compile time
let my_array: [i32; 5] = [1, 2, 3, 4, 5];

//If the size of the array is not known at compile time. Use a slice or a vector

Example 2: rust lang make array

let mut array: [i32; 3] = [0; 3];

array[1] = 1;
array[2] = 2;

assert_eq!([1, 2], &array[1..]);

// This loop prints: 0 1 2
for x in &array {
    print!("{} ", x);
}

Example 3: rust vector from array

slice.to_vec();