None RAC Able Example

C5RACNonRACAble.m

RAC(self, 'titleLabel.text') = [self.selectedRegion map:^NSString*(WTFRegion *region) {
    return region.title;
}];

__weak id weakSelf = self;
[self.selectedRegion subscribeNext:^(WTFRegion *region) {
  id strongSelf = weakSelf;
  [strongSelf.mapView setVisibleMapRect:region.rect animated:YES];
  [strongSelf.mapView addAnnotations:[strongSelf fetchAnnotationsForRegions:region]];
}];