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wjlafrance/gist:7241927

Created October 30, 2013 23:14
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gistfile1.txt
/**
* Creates a dispatch_once style singleton.
*
* SINGLETON(NSString *awesomeString)
* awesomeString = [NSString stringWithFormat:@"%@ %@", @"composed", @"string"];
* SINGLETON_END(awesomeString)
*/
#define SINGLETON(name) static name; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{
#define SINGLETON_END(name) }); return name;
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