systemFont(ofSize:weight:width:) Declarationclass func systemFont(ofSize fontSize: CGFloat, weight: UIFont.Weight, width: UIFont.Width) -> UIFont See AlsoCreating System FontssystemFont(ofSize:)systemFont(ofSize:weight:)UIFont.WeightUIFont.WidthboldSystemFont(ofSize:)italicSystemFont(ofSize:)monospacedSystemFont(ofSize:weight:)monospacedDigitSystemFont(ofSize:weight:)