> On Jun 13, 2017, at 6:16 PM, Xiaodi Wu <xiaodi...@gmail.com> wrote: > > I’m coming to this conversation rather late, so forgive the naive question: > > Your proposal claims that current code with failable APIs is needlessly > awkward and that most code only interchanges indices that are known to > succeed. So, why is it not simply a precondition of string slicing that the > index be correctly aligned? It seems like this would simplify the behavior > greatly.
Well, consider the case raised by Kevin Ballard if nothing else: that code would start trapping. -Dave _______________________________________________ swift-evolution mailing list swift-evolution@swift.org https://lists.swift.org/mailman/listinfo/swift-evolution
