Method insertIntoSlice

widgetlist.go:95–99

(index int, item Widget)

}

func (l *WidgetList) insertIntoSlice(index int, item Widget) {
	l.items = append(l.items, nil)
	copy(l.items[index+1:], l.items[index:])
	l.items[index] = item.AsWidgetBase()
}

func (l *WidgetList) Insert(index int, item Widget) error {
	if l.Contains(item) {