diff --git a/Canvas.cpp b/Canvas.cpp
index 225f200..b57d5d4 100644
--- a/Canvas.cpp
+++ b/Canvas.cpp
@@ -4,17 +4,17 @@ static double dist_P2P(QPointF p1, QPointF p2) {
 	return sqrt(pow(p2.x() - p1.x(), 2) + pow(p2.y() - p1.y(), 2));
 }
 
-void Canvas::changeMode(Mode _mode)
-{
-	mode = _mode;
-}
-
 template <typename T, typename A, typename B>
 T makeOrderedPair(A* obj1, B* obj2)
 {
 	return (obj1->get_tag() < obj2->get_tag()) ? std::make_pair(obj1, obj2) : std::make_pair(obj2, obj1);
 }
 
+void Canvas::changeMode(Mode _mode)
+{
+	mode = _mode;
+}
+
 // TODO
 Line* Canvas::findAt(QPointF& pos)
 {
@@ -43,21 +43,24 @@ Point* Canvas::findPointAt(QPointF pos, qreal tolerance)
 
 bool Canvas::areCoincident(Point* p1, Point* p2, bool mode)
 {
-	int tag_0 = p1->get_tag(), tag_1 = p2->get_tag();
-	if (!mode){
-		return (tag_0 != tag_1 && *p1 == *p2);
+	int tag_0 = p1->get_tag();
+	int tag_1 = p2->get_tag();
+
+	if (!mode) {
+		return tag_0 != tag_1 && *p1 == *p2;
 	}
 	else {
 		for (PointPair pair : P2Ppairs) {
 			int pair_tag_0 = pair.first->get_tag();
 			int pair_tag_1 = pair.second->get_tag();
-			if (pair_tag_0 == tag_0 && pair_tag_1 == tag_1 ||
-				pair_tag_0 == tag_1 && pair_tag_1 == tag_0)
-				return true;
-		}
-		return false;
+
+			bool isSamePair = (pair_tag_0 == tag_0 && pair_tag_1 == tag_1) ||
+				(pair_tag_0 == tag_1 && pair_tag_1 == tag_0);
+
+			if (isSamePair) return true;
 	}
-	
+		return false;
+		}
 }
 
 bool Canvas::areAlreadyParallel(Line* l1, Line* l2)