More types

src/ISupportPartialPlay.php

@@ -10,5 +10,5 @@ interface ISupportPartialPlay
     /**
      * Indicates the percent of the time the player should be weighted where 0.0 indicates the player didn't play and 1.0 indicates the player played 100% of the time.
      */
-    public function getPartialPlayPercentage();
+    public function getPartialPlayPercentage(): float;
 }

src/ISupportPartialUpdate.php

@@ -7,5 +7,5 @@ interface ISupportPartialUpdate
     /**
      * Indicated how much of a skill update a player should receive where 0.0 represents no update and 1.0 represents 100% of the update.
      */
-    public function getPartialUpdatePercentage();
+    public function getPartialUpdatePercentage(): float;
 }

src/Numerics/BasicMath.php

@@ -25,7 +25,7 @@ class BasicMath
      * Sums the items in $itemsToSum
      *
      * @param  array    $itemsToSum The items to sum,
-     * @param  callable $callback   The function to apply to each array element before summing.
+     * @param  \Closure $callback   The function to apply to each array element before summing.
      * @return number The sum.
      */
     public static function sum(array $itemsToSum, \Closure $callback): float|int

src/Numerics/Matrix.php

@@ -57,7 +57,7 @@ class Matrix
         return $this->matrixRowData[$row][$col];
     }
 
-    public function setValue(int $row, int $col, float|int $value)
+    public function setValue(int $row, int $col, float|int $value): void
     {
         $this->matrixRowData[$row][$col] = $value;
     }

src/SkillCalculator.php

@@ -39,12 +39,12 @@ abstract class SkillCalculator
      */
     abstract public function calculateMatchQuality(GameInfo $gameInfo, array $teamsOfPlayerToRatings): float;
 
-    public function isSupported($option): bool
+    public function isSupported(SkillCalculatorSupportedOptions $option): bool
     {
-        return ($this->supportedOptions & $option) == $option;
+        return (bool)($this->supportedOptions & $option->value) == $option;
     }
 
-    protected function validateTeamCountAndPlayersCountPerTeam(array $teamsOfPlayerToRatings)
+    protected function validateTeamCountAndPlayersCountPerTeam(array $teamsOfPlayerToRatings): void
     {
         self::validateTeamCountAndPlayersCountPerTeamWithRanges($teamsOfPlayerToRatings, $this->totalTeamsAllowed, $this->playersPerTeamAllowed);
     }

src/TrueSkill/FactorGraphTrueSkillCalculator.php

@@ -109,7 +109,11 @@ class FactorGraphTrueSkillCalculator extends SkillCalculator
         );
     }
 
-    // Helper function that gets a list of values for all player ratings
+    
+    /**
+     * Helper function that gets a list of values for all player ratings
+     * @return int[]
+     */
     private static function getPlayerRatingValues(array $teamAssignmentsList, \Closure $playerRatingFunction): array
     {
         $playerRatingValues = [];
@@ -123,7 +127,10 @@ class FactorGraphTrueSkillCalculator extends SkillCalculator
         return $playerRatingValues;
     }
 
-    private static function createPlayerTeamAssignmentMatrix($teamAssignmentsList, $totalPlayers)
+    /**
+     * @param Team[] $teamAssignmentsList
+     */
+    private static function createPlayerTeamAssignmentMatrix(array $teamAssignmentsList, int $totalPlayers): Matrix
     {
         // The team assignment matrix is often referred to as the "A" matrix. It's a matrix whose rows represent the players
         // and the columns represent teams. At Matrix[row, column] represents that player[row] is on team[col]