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mikeash/compile-time-class.m

Created September 19, 2017 15:08
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compile-time-class.m
/*usr/bin/true
clang -framework Cocoa -g compile-time-class.m && ./a.out
exit;*/
#import <Foundation/Foundation.h>
#define COMPILE_TIME_CLASS(name) ^{ \
extern void *OBJC_CLASS_$_ ## name; \
return (Class)&OBJC_CLASS_$_ ## name; \
}()
int main(int argc, char **argv) {
NSLog(@"%@", COMPILE_TIME_CLASS(NSString));
}
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