enumeration-1.m

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/* Contributed by Nicola Pero -  Wed Dec  5 17:12:40 GMT 2001 */#include <objc/objc.h>#include <objc/Object.h>/* Test using a bitfield enumeration ivar.  */typedef enum{  black,  white} color;@interface TestClass: Object{  color c:2;}- (color)color;- (void)setColor: (color)a;@end@implementation TestClass- (color)color{  return c;}- (void)setColor: (color)a{  c = a;}@endint main (void){  TestClass *c;    c = [TestClass new];    [c setColor: black];  [c setColor: white];  [c setColor: black];  if ([c color] != black)    {      abort ();    }    return 0;}

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