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<?php
declare(strict_types = 1);
namespace ExtendedStrings\Strings;
class VibratingString implements VibratingStringInterface
{
private $frequency;
/**
* VibratingString constructor.
*
* @param float $frequency The open string frequency (in Hz).
*/
public function __construct(float $frequency)
$this->frequency = $frequency;
}
* Returns the frequency of the open string (in Hz).
* @return float
public function getFrequency(): float
return $this->frequency;
extended-strings /
strings
