Hi Ryan, NSNumber basically exists to hide the underlying number type.
Why not use `func boolValue` instead, if you need a true/false answer? - Tony > On May 23, 2016, at 2:01 PM, Ryan Lovelett via swift-users > <swift-users@swift.org> wrote: > > On Mon, May 23, 2016, at 04:33 PM, Jens Alfke wrote: >> >>> On May 23, 2016, at 12:25 PM, Ryan Lovelett via swift-users >>> <swift-users@swift.org <mailto:swift-users@swift.org>> wrote: >>> >>> However it seems that Foundation on Linux has neither >>> `CFBooleanGetTypeID` or `CFGetTypeID`. >> >> >> Those are part of CoreFoundation, the C library on which the Mac/iOS >> Foundation framework is built. The two have a complicated relationship; >> Foundation exposes most but not all of the CoreFoundation APIs as >> Objective-C, but there are still some features you have to drop down to C to >> use. This is one. >> >> But I think you’re using the in-development Swift Foundation? That’s a >> different implementation entirely. Presumably it will have some API of its >> own to determine the type of a number. > > Yes I'm using the in-development Swift Foundation. From what I can tell this > version is the one that will be used on non-Darwin platforms. > > Assuming that such an API does not currently exist on NSNumber, I'm > reasonably confident that it does not, does this mean that a Swift Evolution > thread has to be started to add it? > >> >> —Jens > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users
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