More stringable removal for performance.

src/FactorGraphs/FactorGraphLayer.php

@@ -72,7 +72,7 @@ abstract class FactorGraphLayer
      */
     protected function scheduleSequence(array $itemsToSequence, string $name): ScheduleSequence
     {
-        return new ScheduleSequence($name, $itemsToSequence);
+        return new ScheduleSequence($itemsToSequence);
     }
 
     protected function addLayerFactor(Factor $factor): void

src/FactorGraphs/Schedule.php

@@ -4,16 +4,7 @@ declare(strict_types=1);
 
 namespace DNW\Skills\FactorGraphs;
 
-abstract class Schedule implements \Stringable
+abstract class Schedule
 {
-    protected function __construct(private readonly string $name)
-    {
-    }
-
     abstract public function visit(int $depth = -1, int $maxDepth = 0): float;
-
-    public function __toString(): string
-    {
-        return $this->name;
-    }
 }

src/FactorGraphs/ScheduleLoop.php

@@ -6,9 +6,8 @@ namespace DNW\Skills\FactorGraphs;
 
 class ScheduleLoop extends Schedule
 {
-    public function __construct(string $name, private readonly Schedule $scheduleToLoop, private readonly float $maxDelta)
+    public function __construct(private readonly Schedule $scheduleToLoop, private readonly float $maxDelta)
     {
-        parent::__construct($name);
     }
 
     public function visit(int $depth = -1, int $maxDepth = 0): float

src/FactorGraphs/ScheduleSequence.php

@@ -9,9 +9,8 @@ class ScheduleSequence extends Schedule
     /**
      * @param Schedule[] $schedules
      */
-    public function __construct(string $name, private readonly array $schedules)
+    public function __construct(private readonly array $schedules)
     {
-        parent::__construct($name);
     }
 
     public function visit(int $depth = -1, int $maxDepth = 0): float

src/FactorGraphs/ScheduleStep.php

@@ -6,15 +6,12 @@ namespace DNW\Skills\FactorGraphs;
 
 class ScheduleStep extends Schedule
 {
-    public function __construct(string $name, private readonly Factor $factor, private readonly int $index)
+    public function __construct(private readonly Factor $factor, private readonly int $index)
     {
-        parent::__construct($name);
     }
 
     public function visit(int $depth = -1, int $maxDepth = 0): float
     {
-        $currentFactor = $this->factor;
-
-        return $currentFactor->updateMessageIndex($this->index);
+        return $this->factor->updateMessageIndex($this->index);
     }
 }