Ask HN: Functional Core, Imperative Shell

4 points

4 years ago

I was recently recommended an incredible talk on boundaries by Gary Bernhardt [1], and right away I fell in love with this concept. I then found a further video [2] on this topic and also a HN thread [3].

But I need more information on this, I would love to learn more and be able to apply this to my own software, so I was wondering:

- Are there example of non trivial apps written in this manner?

- Are there more resources which explain the data not code as boundaries concept?

- Is there possibly a relevant book?

[1] https://www.destroyallsoftware.com/talks/boundaries

[2] https://www.destroyallsoftware.com/screencasts/catalog/functional-core-imperative-shell

[3] https://news.ycombinator.com/item?id=18043058

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