Dart APIunself_styleUnSymbolSizesL L constant Null safety double const L Implementation static const L = 32.0; unself_style unself_style UnSymbolSizes L constant UnSymbolSizes class Constructors UnSymbolSizes Properties hashCode runtimeType Methods noSuchMethod toString Operators operator == Constants emojiL emojiM emojiXL Full L M None S XL XS