녹에 배열을 만드는 방법
//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
어레이 녹 초기화
let _: [u8; 3] = [1, 2, 3];
let _: [&str; 3] = ["1", "2", "3"];
let _: [String; 3] = [
String::from("1"),
String::from("2"),
String::from("3")
];
let mut rng = rand::thread_rng();
let _: [u8; 3] = [rng.gen(), rng.gen(), rng.gen()];