Hi, I just read this, so I have a couple of questions :-)
On Wed, Jun 29, 2011 at 15:36, David Chisnall <[email protected]> wrote: > > ARC does some quite nice things for you. For every assignment, the > compiler will automatically insert calls to runtime functions that do the > retain / release juggling for you. It will also implicitly add code to your > objects freeing all instance variables. Because of this, some things are > not allowed in ARC mode: > > - Implementing -retain, -release, or -autorelease > - Calling -retain, -release, or -autorelease > - Storing object pointers that are not __unsafe_unretained qualified in > structures. > If calling -retain, -release and -autorelease is not allowed, how is it possible to mix ARC with non-ARC code? Does the compiler throw a warning, an error, or the thing just silently doesn't work? What happens when -retain, -release and -autorelease are overridden? What happens when non-__unsafe_unretained pointers are stored in structure? Does it silently crash? Are all pointers __strong by default? What happens with non-Objective-C pointers, such as results of SDL functions? Will I have any problems using SDL if ARC is used in same codebase? -- Ivan Vučica [email protected]
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