NoSeekStream.php

<?php

declare (strict_types=1);
namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream decorator that prevents a stream from being seeked.
 */
final class NoSeekStream implements StreamInterface {
    use StreamDecoratorTrait;
    
    /** @var StreamInterface */
    private $stream;
    public function seek($offset, $whence = SEEK_SET) : void {
        throw new \RuntimeException('Cannot seek a NoSeekStream');
    }
    public function isSeekable() : bool {
        return false;
    }

}