> On Jul 1, 2016, at 11:06 AM, Kate Stone via swift-users > <swift-users@swift.org> wrote: > >> On Jul 1, 2016, at 11:01 AM, Jens Alfke via swift-users >> <swift-users@swift.org <mailto:swift-users@swift.org>> wrote: >> >> >>> On Jul 1, 2016, at 10:28 AM, Nicholas Outram via swift-users >>> <swift-users@swift.org <mailto:swift-users@swift.org>> wrote: >>> >>> class methods may mutate "mutable static variables” (singletons), which are >>> dangerous in multi-threaded code. >> >> This is the same argument zh ao made. But instance methods may also mutate >> static variables, so the fact that you’re calling a class method doesn’t >> make the call any more dangerous. >> >> Moreover, mutating instance variables can be just as dangerous for >> multithreaded code (and is a more frequent source of bugs IMHO). >> >> Really, the only significant difference is that a class method can’t modify >> instance variables, so from that perspective it’s actually a bit safer than >> an instance method call! > > Though that isn’t strictly true for singleton patterns and other reasons why > class variables might include references to instances. > > I believe there’s real value in being explicit about referencing class > members. It helps both the reader of the code and it makes writing code with > typical IDE conveniences like code completion less cluttered and more > informative. Unfamiliar class methods won’t be included in lists of > suggestions where they might look like they operate on the current instance.
I agree. I think that removing the class specifier provides a bit of simplicity but at the cost of ambiguity, which is decidedly not swift-y. Kerry > > Kate Stone k8st...@apple.com <mailto:k8st...@apple.com> > Xcode Low Level Tools > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users
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