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  1. #import <objc/objc.h>
  2. #import <objc/Object.h>
  3.  
  4. static int count;
  5.  
  6. @interface foo: Object
  7. +(int) initCount;
  8. +(void) initialize;
  9. @end
  10.  
  11.  
  12. @implementation foo
  13. -(id) init {
  14.     self = [super init];
  15.     count++;
  16.     return self;
  17. }
  18.  
  19. +(int) initCount {
  20.     return count;
  21. }
  22.  
  23. +(void) initialize {
  24.     count = 0;
  25. }
  26.  
  27. int main( int argc, const char *argv[] ) {
  28.     foo *c1 = [[foo alloc] init];
  29.     foo *c2 = [[foo alloc] init];
  30.  
  31.     // print count
  32.     printf( "foo count: %i\n", [foo initCount] );
  33.  
  34.     foo *c3 = [[foo alloc] init];
  35.  
  36.     // print count again
  37.     printf( "foo count: %i\n", [foo initCount] );
  38.  
  39.     return 0;
  40. }
  41. @end
Success #stdin #stdout 0s 2116KB
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stdin
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Standard input is empty
stdout
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foo count: 2
foo count: 3
https://ideone.com/Oad7A
language:
Objective-C (gcc 8.3)
created:
13 years ago
visibility:
public

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