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jdelStrother/gist:670771

Created November 10, 2010 12:13
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gistfile1.m
NSString *requiredIOS = @"4.0";
NSString *currentIOS = [[UIDevice currentDevice] systemVersion];
// Blocks are kinda available but broken and unsupported on 3.2 - just test the version number to see if we have block support
ABBlocksSupported = (CFStringCompare((CFStringRef)currentIOS, (CFStringRef)requiredIOS, kCFCompareNumerically) != kCFCompareLessThan);
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