Thanks Ken ... got it right now!
On Jul 1, 2009, at 10:34 AM, Ken Thomases wrote:
On Jul 1, 2009, at 11:26 AM, David Blanton wrote:
in .h file
NSMutableArray *m_sources;
[...]
m_sources = [volumes stringsByAppendingPaths:[defaultManager
directoryContentsAtPath:volumes]];
-stringsByAppendingPaths: returns an NSArray*. That is not an
NSMutableArray*. (NSMutableArray is-a NSArray, though, of course.)
By assigning to m_sources, you're "threatening" to invoke mutation
methods on the object. This would be a violation of the type
system, and so the compiler warns you about it.
Regards,
Ken
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