It's a really cool optimization, and it doesn't just apply to Option. Here's a StackOverflow thread: https://stackoverflow.com/questions/46557608/what-is-the-nu

It's a really cool optimization, and it doesn't just apply to Option. Here's a StackOverflow thread: https://stackoverflow.com/questions/46557608/what-is-the-null-pointer-optimization-in-rust https://stackoverflow.com/questions/46557608/what-is-the-nul...