Ask HN: How to design and structure a framework/api

Hi everyone :)

I'm interested in creating a framework/API.

I was wondering if there are any books, references or advice that I could use as a starting point and things that I should keep in mind.

Thank you :)

How about this to start? "How To Design A Good API and Why it Matters" -- a great talk by Joshua Bloch (also the author of "Effective Java")

If you want to use Ruby, this is a good place to start: