Rector standards slowly being applied. PHP Version first.

src/FactorGraphs/Factor.php

@@ -15,9 +15,9 @@ abstract class Factor implements \Stringable
      */
     private array $messages = [];
 
-    private HashMap $messageToVariableBinding;
+    private readonly HashMap $messageToVariableBinding;
 
-    private string $name;
+    private readonly string $name;
 
     /**
      * @var Variable[] $variables

src/FactorGraphs/KeyedVariable.php

@@ -6,7 +6,7 @@ namespace DNW\Skills\FactorGraphs;
 
 class KeyedVariable extends Variable
 {
-    public function __construct(private mixed $key, string $name, mixed $prior)
+    public function __construct(private readonly mixed $key, string $name, mixed $prior)
     {
         parent::__construct($name, $prior);
     }

src/FactorGraphs/Message.php

@@ -8,7 +8,7 @@ use DNW\Skills\Numerics\GaussianDistribution;
 
 class Message implements \Stringable
 {
-    public function __construct(private GaussianDistribution $value, private string $name)
+    public function __construct(private GaussianDistribution $value, private readonly string $name)
     {
     }
 

src/FactorGraphs/Schedule.php

@@ -6,7 +6,7 @@ namespace DNW\Skills\FactorGraphs;
 
 abstract class Schedule implements \Stringable
 {
-    protected function __construct(private string $name)
+    protected function __construct(private readonly string $name)
     {
     }
 

src/FactorGraphs/ScheduleLoop.php

@@ -6,7 +6,7 @@ namespace DNW\Skills\FactorGraphs;
 
 class ScheduleLoop extends Schedule
 {
-    public function __construct(string $name, private readonly Schedule $scheduleToLoop, private float $maxDelta)
+    public function __construct(string $name, private readonly Schedule $scheduleToLoop, private readonly float $maxDelta)
     {
         parent::__construct($name);
     }

src/FactorGraphs/ScheduleStep.php

@@ -6,7 +6,7 @@ namespace DNW\Skills\FactorGraphs;
 
 class ScheduleStep extends Schedule
 {
-    public function __construct(string $name, private readonly Factor $factor, private int $index)
+    public function __construct(string $name, private readonly Factor $factor, private readonly int $index)
     {
         parent::__construct($name);
     }

src/FactorGraphs/Variable.php

@@ -8,7 +8,7 @@ use DNW\Skills\Numerics\GaussianDistribution;
 
 class Variable implements \Stringable
 {
-    private string $name;
+    private readonly string $name;
 
     private mixed $value;