Work on evaluation

src/Binder/BoundExpressions/BoundExpression.hpp

@@ -20,7 +20,6 @@ enum class BoundExpressionKind{
 
     Unary,
     Binary,
-    Parenthesized,
 };
 
 class BoundExpression{
@@ -150,6 +149,18 @@ public:
     BoundExpressionKind GetKind() final{
         return BoundExpressionKind ::Binary;
     }
+
+    BoundExpression* GetLeft(){
+        return _left;
+    }
+
+    BoundExpression* GetRight(){
+        return _right;
+    }
+
+    BoundBinaryOperation GetOperation(){
+        return _operation;
+    }
 };
 
 class BoundUnaryExpression : public BoundExpression {