HH\Lib\C\is_empty
Returns whether the given Container is empty
namespace HH\Lib\C;
function is_empty<T>(
Container<T> $container,
): bool;
Time complexity: O(1) Space complexity: O(1)
Parameters
Container<T>$container
Returns
bool
Examples
$strings = vec["a", "b", "c", "d", "e"];
$is_empty_result_1 = C\is_empty($strings);
echo "First is_empty result: $is_empty_result_1\n";
//Output: First is_empty result: false
$empty_strings = vec[];
$is_empty_result_2 = C\is_empty($empty_strings);
echo "Second is_empty result: $is_empty_result_2\n";
//Output: Second is_empty result: true