Dart APIunself_styleUnFontWeightthin thin constant Null safety FontWeight const thin FontWeight value of w100 Implementation static const FontWeight thin = FontWeight.w100; unself_style unself_style UnFontWeight thin constant UnFontWeight class Constructors UnFontWeight Properties hashCode runtimeType Methods noSuchMethod toString Operators operator == Constants black bold extraBold extraLight light medium regular semiBold thin