More types

src/FactorGraphs/Message.php

@@ -6,15 +6,14 @@ class Message implements \Stringable
 {
     public function __construct(private ?object $value = null, private ?string $name = null)
     {
-
     }
 
-    public function getValue()
+    public function getValue(): ?object
     {
         return $this->value;
     }
 
-    public function setValue($value)
+    public function setValue(?object $value): void
     {
         $this->value = $value;
     }

src/FactorGraphs/ScheduleLoop.php

@@ -4,7 +4,7 @@ namespace DNW\Skills\FactorGraphs;
 
 class ScheduleLoop extends Schedule
 {
-    public function __construct($name, private readonly Schedule $scheduleToLoop, private $maxDelta)
+    public function __construct(string $name, private readonly Schedule $scheduleToLoop, private float $maxDelta)
     {
         parent::__construct($name);
     }

src/FactorGraphs/ScheduleStep.php

@@ -4,7 +4,7 @@ namespace DNW\Skills\FactorGraphs;
 
 class ScheduleStep extends Schedule
 {
-    public function __construct(string $name, private readonly Factor $factor, private $index)
+    public function __construct(string $name, private readonly Factor $factor, private int $index)
     {
         parent::__construct($name);
     }