Made one of the best typos an Objective-C programmer can make, and now I’m picturing Elvis Presley: “Hey, I’m the King of Class!”
 for 'NSNumber' declares the selector 'isKingOfClass'"](https://cdn.uploads.micro.blog/8/2020/1f0db02818.jpg){kind=small}
*****
Written on
Made one of the best typos an Objective-C programmer can make, and now I’m picturing Elvis Presley: “Hey, I’m the King of Class!”