Cleanup

Assets/Scripts/Models/GameBoard.cs

@@ -3,10 +3,10 @@ using UnityEngine;
 
 namespace Services {
     public class GameBoard : IGameBoard {
-        private int height, width;
+        private readonly int height, width;
         public int Height => this.height;
         public int Width => this.width;
-        private Gem[,] gemsGrid;
+        private readonly Gem[,] gemsGrid;
         public Gem[,] GemsGrid => this.gemsGrid;
         
         public GameBoard(int width, int height) {
@@ -17,7 +17,7 @@ namespace Services {
         
         public Gem GetGemAt(Vector2Int pos) {
             Gem gameObject = this.gemsGrid[pos.x, pos.y];
-            return gameObject != null ? gameObject : null;
+            return gameObject;
         }
 
         public void SetGemAt(Vector2Int pos, Gem gameObject) {

Assets/Scripts/Models/Gem.cs

@@ -4,15 +4,15 @@ using UnityEngine;
 
 namespace Services {
     public class Gem {
-        private GemType type;
+        private readonly GemType type;
         private Vector2Int position;
         public GemType Type => this.type;
         public Vector2Int Position => this.position;
         
-        private int scoreValue;
+        private readonly int scoreValue;
         public int ScoreValue => this.scoreValue;
         
-        private GemType colorType;
+        private readonly GemType colorType;
         public GemType MatchColor => this.type == GemType.Bomb ? this.colorType : this.type;
         
         public Gem(GemType type, Vector2Int position, GemTypeValues gemValue, GemType? colorType = null) {