Paul Hudson
@twostraws
Learning and sharing at Hacking with Swift. Creator of Kickstart, Unwrap, Ignite, and two small children.
가입 July 2009
272 팔로잉 중 123.1K 팬
if #available# checks whether something exists. #unavailable# is the clean inverse - no more empty if blocks with all your real code hidden in the else.
