function.HH.Lib.C.last.md

$strings = vec["a", "b", "c"];
$last_string = C\last($strings);
echo "Last string in traversable: $last_string \n";
//Output: Last string in traversable: c

$empty_traversable = vec[];
$last_element = C\last($empty_traversable);
$last_element_as_string = $last_element ?? "null";
echo "Last element in empty traversable: $last_element_as_string";
//Output: Last element in empty traversable: null