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378 points todsacerdoti | 1 comments | 22 Aug 25 07:08 UTC | HN request time: 0.199s | source
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mensetmanusman ◴[22 Aug 25 13:18 UTC] No.44984308[source]▶
Not being a programmer, I have a question.

Can any program be broken down into functions and functions of functions that have inputs and outputs so that they can be verified if they are working?

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1. black_knight ◴[22 Aug 25 13:39 UTC] No.44984562[source]▶
No. Not every program can be broken down so. If you want that kind of certainty, this consideration needs to be part of the development process from the very beginning. This is what functional programming is all about.