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johankool/gist:1874995

Created February 21, 2012 07:58
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Useful macros dealing with nil and NSNull
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gistfile1.m
#define NILIFNULL(foo) ((foo == [NSNull null]) ? nil : foo)
#define NULLIFNIL(foo) ((foo == nil) ? [NSNull null] : foo)
#define EMPTYIFNIL(foo) ((foo == nil) ? @"" : foo)
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