gistify958429.m

    [[(id)self.tableView.delegate rac_signalForSelector:@selector(scrollViewDidScroll:)] subscribeNext:^(RACTuple *tuple) {
        UITableView *tableView = [[tuple allObjects] firstObject];
        if (tableView.contentOffset.y < -90) {
            @strongify(self)
            [self.navigationController dismissViewControllerAnimated:YES completion:nil];
        }
    }];