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<?php
declare(strict_types=1);
namespace Chemaclass\StockTicker\Domain\ReadModel;
/**
* @psalm-immutable
*/
final class Symbol
{
private string $symbol;
private function __construct(string $symbol)
$this->symbol = $symbol;
}
* @psalm-pure
public static function fromString(string $symbol): self
return new self($symbol);
public static function empty(): self
return new self('');
public function toString(): string
return $this->symbol;
Chemaclass /
stock-ticker
