Stacklayout does not need to be a reference

layout/stacklayout.go

@@ -16,7 +16,7 @@ type stackLayout struct {
 //
 // Since: 2.4
 func NewStackLayout() fyne.Layout {
-	return &stackLayout{}
+	return stackLayout{}
 }
 
 // NewMaxLayout creates a new MaxLayout instance
@@ -28,7 +28,7 @@ func NewMaxLayout() fyne.Layout {
 
 // Layout is called to pack all child objects into a specified size.
 // For StackLayout this sets all children to the full size passed.
-func (m *stackLayout) Layout(objects []fyne.CanvasObject, size fyne.Size) {
+func (m stackLayout) Layout(objects []fyne.CanvasObject, size fyne.Size) {
 	topLeft := fyne.NewPos(0, 0)
 	for _, child := range objects {
 		child.Resize(size)
@@ -38,7 +38,7 @@ func (m *stackLayout) Layout(objects []fyne.CanvasObject, size fyne.Size) {
 
 // MinSize finds the smallest size that satisfies all the child objects.
 // For StackLayout this is determined simply as the MinSize of the largest child.
-func (m *stackLayout) MinSize(objects []fyne.CanvasObject) fyne.Size {
+func (m stackLayout) MinSize(objects []fyne.CanvasObject) fyne.Size {
 	minSize := fyne.NewSize(0, 0)
 	for _, child := range objects {
 		if !child.Visible() {