/**
* {@inheritDoc}
* @see \PhpObject\Core\INumber::round($precision)
*/
public function round(IInteger $precision) : IFloat
{
return new Integer(round($this->getPrimitive(), $precision->getPrimitive(), PHP_ROUND_HALF_DOWN));
}
/**
* {@inheritDoc}
* @see \PhpObject\Core\IString::substring($start, $length)
*/
public function substring(IInteger $start, IInteger $length) : IString
{
return new String(substr($this->getPrimitive(), $start->getPrimitive(), $length->getPrimitive()));
}
