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Asked: 2026-05-20T16:08:22+00:00

This may be a really stupid question… How do I go about viewing the

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This may be a really stupid question…

How do I go about viewing the implementation files for various classes within the Cocoa Touch framework? I can find the interface files pretty easily, but cannot find the implementation files.

I’m currently studying iOS development and have stumbled on the subject of returning autoreleased objects. I wanted to verify how this worked by studying the implementation within the framework classes. For example, using the NSArray class’s convenience method ‘arrayWithObjects’ – I wanted to look at the mechanics of this method and see how it returned an autoreleased object etc.

Any ideas where I might find the implementation files?

Thanks

Martin

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1 Answer

  1. Editorial Team

    As Eimantas says, you cannot view Apple’s proprietary implementation files. I have occasionally found it helpful, however, to have a look at the GNUStep .m files (which Google can easily dig up for you). They obviously cannot be duplicates of Apple’s implementations, but sometimes provide a little useful insight.

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