No more use of _ to mark private variables.

src/FactorGraphs/FactorGraphLayer.php

@@ -4,26 +4,26 @@ namespace DNW\Skills\FactorGraphs;
 
 abstract class FactorGraphLayer
 {
-    private array $_localFactors = [];
+    private array $localFactors = [];
 
-    private array $_outputVariablesGroups = [];
+    private array $outputVariablesGroups = [];
 
-    private $_inputVariablesGroups = [];
+    private $inputVariablesGroups = [];
 
-    protected function __construct(private readonly FactorGraph $_parentFactorGraph)
+    protected function __construct(private readonly FactorGraph $parentFactorGraph)
     {
     }
 
     protected function getInputVariablesGroups()
     {
-        return $this->_inputVariablesGroups;
+        return $this->inputVariablesGroups;
     }
 
     // HACK
 
     public function getParentFactorGraph()
     {
-        return $this->_parentFactorGraph;
+        return $this->parentFactorGraph;
     }
 
     /**
@@ -31,17 +31,17 @@ abstract class FactorGraphLayer
      */
     public function &getOutputVariablesGroups(): array
     {
-        return $this->_outputVariablesGroups;
+        return $this->outputVariablesGroups;
     }
 
     public function getLocalFactors(): array
     {
-        return $this->_localFactors;
+        return $this->localFactors;
     }
 
     public function setInputVariablesGroups(array $value): void
     {
-        $this->_inputVariablesGroups = $value;
+        $this->inputVariablesGroups = $value;
     }
 
     protected function scheduleSequence(array $itemsToSequence, string $name): ScheduleSequence
@@ -51,7 +51,7 @@ abstract class FactorGraphLayer
 
     protected function addLayerFactor(Factor $factor): void
     {
-        $this->_localFactors[] = $factor;
+        $this->localFactors[] = $factor;
     }
 
     abstract public function buildLayer();

src/FactorGraphs/FactorList.php

@@ -7,21 +7,21 @@ namespace DNW\Skills\FactorGraphs;
  */
 class FactorList
 {
-    private array $_list = [];
+    private array $list = [];
 
     public function getLogNormalization()
     {
-        $list = $this->_list;
+        $list = $this->list;
         foreach ($list as &$currentFactor) {
             $currentFactor->resetMarginals();
         }
 
         $sumLogZ = 0.0;
 
-        $listCount = count($this->_list);
+        $listCount = count($this->list);
 
         for ($i = 0; $i < $listCount; $i++) {
-            $f = $this->_list[$i];
+            $f = $this->list[$i];
 
             $numberOfMessages = $f->getNumberOfMessages();
 
@@ -41,12 +41,12 @@ class FactorList
 
     public function count()
     {
-        return count($this->_list);
+        return count($this->list);
     }
 
     public function addFactor(Factor $factor)
     {
-        $this->_list[] = $factor;
+        $this->list[] = $factor;
 
         return $factor;
     }