bklimt

typedef void (^eBlock)();

eBlock exampleE_getBlock() {
  char e = 'E';
  void (^block)() = ^{
    printf("%c\n", e);
  };
  return block;
}

bklimt

typedef void (^dBlock)();

dBlock exampleD_getBlock() {
  char d = 'D';
  return ^{
    printf("%c\n", d);
  };
}

void exampleD() {

bklimt

void exampleC_addBlockToArray(NSMutableArray *array) {
  [array addObject:^{
    printf("C\n");
  }];
}

void exampleC() {
  NSMutableArray *array = [NSMutableArray array];
  exampleC_addBlockToArray(array);
  void (^block)() = [array objectAtIndex:0];

bklimt

void exampleB_addBlockToArray(NSMutableArray *array) {
  char b = 'B';
  [array addObject:^{
    printf("%c\n", b);
  }];
}

void exampleB() {
  NSMutableArray *array = [NSMutableArray array];
  exampleB_addBlockToArray(array);

bklimt

void exampleA() {
  char a = 'A';
  ^{
    printf("%c\n", a);
  }();
}