You’ll need to explicitly add the “as NSNumber” now. https://github.com/apple/swift-evolution/blob/master/proposals/0072-eliminate-implicit-bridging-conversions.md <https://github.com/apple/swift-evolution/blob/master/proposals/0072-eliminate-implicit-bridging-conversions.md>
> On Sep 9, 2016, at 1:55 PM, Rick Mann via swift-users <swift-users@swift.org> > wrote: > > I've seen old (pre-Swift 3) posts online (e.g. > http://stackoverflow.com/questions/28920232/why-do-integers-not-conform-to-the-anyobject-protocol) > that address this, but my code worked yesterday before I used Xcode 8 GM to > migrate it to Swift 3, and now it doesn't, so I'm trying to understand what's > going on. > > In this case, I have this code: > > open class HttpServer > { > let clientSocketsLock = 0 > > open func start() > { > ...some stuff... > { > HttpServer.lock(self.clientSocketsLock) // ERROR HERE > { > self.clientSockets.remove(socket) > } > } > } > > open class func lock(_ handle: AnyObject, closure: () -> ()) > { > objc_sync_enter(handle) > closure() > objc_sync_exit(handle) > } > } > > I get the error "Argument type 'Int' does not conform to expected type > 'AnyObject'" at the line marked above. What has changed here? Did Int's > behavior change? Is that described somewhere? I tried googling "Swift 3 Int" > and variations without much luck. > > I did see one discussion that talked about how when passing an Int to > AnyObject, it was implicitly converted to NSNumber, and that this behavior > only applied to certain types (e.g. not Int32). How can I tell when this kind > of behavior exists? Is there a way to look at the type's declaration to see > (e.g. it conforms to a protocol, or has a compiler attribute, or something)? > > Thanks, > > -- > Rick Mann > rm...@latencyzero.com > > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users
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