Quiz — Arrays

There is an array:

my @data = 10, 20, 30, 40, 50;

Array elements

What do the following lines print?


10	`say @data[0];` — (: 10, 20, 30, 40, 50 :)	Don’t forget the elements are counted from `0`.
40	`say @data[3];` — (: 10, 20, 30, 40, 50 :)	The index `3` stands for the 4^th element.
50	`say @data[4];` — (: 10, 20, 30, 40, 50 :)

What do the following statements print?

5	`say @data.elems;` — (: 0, 1, 2, 3, 4, 5 :)
5	`say +@data;` — (: 0, 1, 2, 3, 4, 5 :)	This conversion gives the size of the array.
5	`say +@data.elems;` — (: 0, 1, 2, 3, 4, 5 :)	Casting the result of `@data.elems` to an integer, thus no change.