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<?php declare(strict_types=1);
namespace Stratadox\Pathfinder\Graph\Builder;
use Stratadox\Pathfinder\Graph\Edges;
use Stratadox\Pathfinder\Graph\Road;
use Stratadox\Pathfinder\Graph\Roads;
final class WithEdge implements EdgeDefinition
{
private $targetLabel;
private $edgeCost;
private function __construct(string $targetLabel, float $edgeCost)
$this->targetLabel = $targetLabel;
$this->edgeCost = $edgeCost;
}
public static function to(
string $targetLabel,
float $edgeCost = 1.0
): EdgeDefinition {
return new self($targetLabel, $edgeCost);
public static function toTargets(
string ...$moreLabels
$edge = self::to($targetLabel);
foreach ($moreLabels as $label) {
$edge = $edge->andTo($label);
return $edge;
public function andTo(string $target, float $cost = 1.0): EdgeDefinition
return MultipleEdges::consistingOf($this, WithEdge::to($target, $cost));
public function gather(): Edges
return Roads::available(
Road::towards($this->targetLabel, $this->edgeCost)
);
Stratadox /
Pathfinder
