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bromanko/gist:2695108

Created May 14, 2012 17:07
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ARC or Not
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gistfile1.m
#if !__has_feature(objc_arc)
#define NonatomicRetainedSetToFrom(a, b) do{if(a!=b){[a release];a=[b retain];}}while(0)
#define NonatomicCopySetToFrom(a, b) do{if(a!=b){[a release];a=[b copy];}}while(0)
#else
#define NonatomicRetainedSetToFrom(a, b) do{if(a!=b){a=b;}}while(0)
#define NonatomicCopySetToFrom(a, b) do{if(a!=b){a=[b copy];}}while(0)
#endif
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