ios :: UIButtonType :: defaultinit
# Style of `UIButton`
extern class UIButtonType in "ObjC" `{ UIButtonType `}
new custom in "ObjC" `{ return UIButtonTypeCustom; `}
new system in "ObjC" `{ return UIButtonTypeSystem; `}
new detail_disclosure in "ObjC" `{ return UIButtonTypeDetailDisclosure; `}
new info_light in "ObjC" `{ return UIButtonTypeInfoLight; `}
new info_dark in "ObjC" `{ return UIButtonTypeInfoDark; `}
new contact_add in "ObjC" `{ return UIButtonTypeContactAdd; `}
new rounded_rect in "ObjC" `{ return UIButtonTypeRoundedRect; `}
end
lib/ios/ui/uikit.nit:155,1--164,3