arrays, vectors, slices

Question 1

what is the syntax for creating an array

Answer 1

let arr: [u32; 3] = [1,2,3]

Question 2

is there special syntax for creating arrays of a single value?

Answer 2

let arr = [“blaster”; 12 ] // 12 different blasters

Question 3

What is the syntax for accessing an array element

Answer 3

square brackets. inside the brackets is usize

arr[4]

Question 4

Rust provides methods for arrays or methods for slices

Answer 4

Method for slices

Question 5

will rust convert a reference to an array into a slice?

Answer 5

yes

Question 6

what is the method to sort an array?

Answer 6

array.sort()

Question 7

what is the syntax for a function that takes an array as a parameter?

Answer 7

fn name( arr : &mut [u32, 4] ) {

Question 8

what is the syntax for a function that takes a slice as a parameter?

Answer 8

fn name( slice : &mut [u32]){