// ARRAYS - similar than C
//
//array size must be known at compile time
//
// signature: [T; length]
//  let var: [T; length] = foo

fn main() {
    let arr: [i32; 5] = [1, 2, 3, 4, 5];

    // Implicit declaration:
    let myarr = ['a', 'b', 'c'];
    println!("{}", arr.len());

    // Initialize all elements: [value, num of elements]
    let auto_arr: [i32; 100] = [1; 100];

    for c in arr {
        print!("{} ", c);
    }

    for c in myarr {
        print!("{} ", c);
    }
    println!("");

    println!("array sizes: arr {} myarr {}", std::mem::size_of_val(&arr),
                                          std::mem::size_of_val(&myarr));

    // Accessing specific elements in an array can be done via indexing or .get method
    // .get method returns an Option<T>, so we also need to use unwrap:

    let many: [i32; 10] = [1, 3, 4, 6, 8, 34, 60, 44, 94, 10];

    // great, either many[3] or &many[3] works, shrug
    println!("Via index: {} - Via get method: {}",
                &many[3], many.get(6).unwrap());
}