minor code style cleanup

Sources/iOS/BottomTabBar.swift

@@ -72,9 +72,11 @@ open class BottomTabBar: UITabBar {
 	
     open override func layoutSublayers(of layer: CALayer) {
         super.layoutSublayers(of: layer)
-        if self.layer == layer {
-            layoutShape()
+        guard self.layer == layer else {
+            return
         }
+        
+        layoutShape()
     }
     
 	open override func layoutSubviews() {

Sources/iOS/Button.swift

@@ -182,11 +182,13 @@ open class Button: UIButton {
 	
     open override func layoutSublayers(of layer: CALayer) {
         super.layoutSublayers(of: layer)
-        if self.layer == layer {
+        guard self.layer == layer else {
+            return
+        }
+        
         layoutShape()
         layoutVisualLayer()
     }
-    }
     
     open override func layoutSubviews() {
         super.layoutSubviews()

Sources/iOS/CollectionReusableView.swift

@@ -219,11 +219,13 @@ open class CollectionReusableView: UICollectionReusableView {
 	
 	open override func layoutSublayers(of layer: CALayer) {
 		super.layoutSublayers(of: layer)
-		if self.layer == layer {
+        guard self.layer == layer else {
+            return
+        }
+        
         layoutShape()
         layoutVisualLayer()
 	}
-	}
 	
 	open override func layoutSubviews() {
 		super.layoutSubviews()

Sources/iOS/CollectionViewCell.swift

@@ -226,11 +226,13 @@ open class CollectionViewCell: UICollectionViewCell {
 	
 	open override func layoutSublayers(of layer: CALayer) {
 		super.layoutSublayers(of: layer)
-		if self.layer == layer {
+        guard self.layer == layer else {
+            return
+        }
+        
         layoutShape()
         layoutVisualLayer()
 	}
-	}
 	
 	open override func layoutSubviews() {
 		super.layoutSubviews()

Sources/iOS/NavigationBar.swift

@@ -154,9 +154,11 @@ open class NavigationBar: UINavigationBar {
     
     open override func layoutSublayers(of layer: CALayer) {
         super.layoutSublayers(of: layer)
-        if self.layer == layer {
-            layoutShape()
+        guard self.layer == layer else {
+            return
         }
+        
+        layoutShape()
     }
 	
 	open override func layoutSubviews() {

Sources/iOS/TableViewCell.swift

@@ -103,11 +103,13 @@ open class TableViewCell: UITableViewCell {
 	
 	open override func layoutSublayers(of layer: CALayer) {
 		super.layoutSublayers(of: layer)
-		if self.layer == layer {
+        guard self.layer == layer else {
+            return
+        }
+        
         layoutShape()
         layoutVisualLayer()
 	}
-	}
 	
 	open override func layoutSubviews() {
 		super.layoutSubviews()

Sources/iOS/TextField.swift

@@ -349,9 +349,11 @@ open class TextField: UITextField {
 	
 	open override func layoutSublayers(of layer: CALayer) {
 		super.layoutSublayers(of: layer)
-		if self.layer == layer {
-            layoutShape()
+        guard self.layer == layer else {
+            return
         }
+        
+        layoutShape()
 	}
 	
 	/// Handles the text editing did begin state.

Sources/iOS/TextView.swift

@@ -145,9 +145,11 @@ public class TextView: UITextView {
 	
     public override func layoutSublayers(of layer: CALayer) {
         super.layoutSublayers(of: layer)
-        if self.layer == layer {
-            layoutShape()
+        guard self.layer == layer else {
+            return
         }
+        
+        layoutShape()
     }
     
     public override func layoutSubviews() {

Sources/iOS/View.swift

@@ -153,11 +153,13 @@ open class View: UIView {
 	
 	open override func layoutSublayers(of layer: CALayer) {
 		super.layoutSublayers(of: layer)
-		if self.layer == layer {
+        guard self.layer == layer else {
+            return
+        }
+        
         layoutShape()
         layoutVisualLayer()
 	}
-	}
 	
 	open override func layoutSubviews() {
 		super.layoutSubviews()