public static final function elementAt($repeatable, $position) : OptionalInterface
{
if (self::isRepeatable($repeatable)) {
if (Arrays::isArray($repeatable)) {
return Arrays::elementAt($repeatable, $position);
}
if (Traversables::isTraversable($repeatable)) {
return Traversables::elementAt($repeatable, $position);
}
}
throw new \InvalidArgumentException(self::$MSG_ARGUMENT1_NOT_REPATABLE);
}
