How To Design A Good API and Why it Matters

Today I watched: How To Design A Good API and Why it Matters. Good talk. Favourite quote:

Inheritance violates encapsulation

Oh, and I followed on with: A Brief, Opinionated History of the API wherein (t=28:14) Bloch says it’s an API if you can answer yes to both of these:

  1. Does it provide a set of operations defined by their inputs and outputs?
  2. Does it admit reimplementation without compromising its users?

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