I didn't read this, but it could already hold tons of values in one cell? Can someone explain what they are 'supporting' now?
I recommend you read the article. It's short, illustrated, and does a good job of explaining what's new, how it works, and how it extends existing Array functionality.
I recommend you read the article. It's short, illustrated, and does a good job of explaining what's new, how it works, and how it extends existing Array functionality.