Message-eating nils helps you write elegant code. But it also makes it easier to crash when you didn't know what you were doing. I thought crashes like this wer

Message-eating nils helps you write elegant code. But it also makes it easier to crash when you didn't know what you were doing. I thought crashes like this were one of the reasons to create Swift. PS: The co-existence of nil, Nil, NULL and NSNull was just unfortunate.