for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php declare(strict_types=1);
namespace Stratadox\Pathfinder\Estimate;
use Stratadox\Pathfinder\Environment;
use Stratadox\Pathfinder\Heuristic;
use Stratadox\Pathfinder\Metric;
final class Estimate implements Heuristic
{
private $environment;
private $metric;
private function __construct(
Metric $metric,
Environment $environment
) {
$this->metric = $metric;
$this->environment = $environment;
}
public static function costAs(
): Heuristic {
return new static($metric, $environment);
public function estimate(string $start, string $goal): float
return $this->metric->distanceBetween(
$this->environment->positionOf($start),
$this->environment->positionOf($goal)
);
public function environment(): Environment
return $this->environment;
Stratadox /
Pathfinder
