Blog · Jesse Claven · Oct 14, 2025
First places to introduce functional programming
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There was a pattern at work with some fellow engineers, in data engineer roles, where there would be a lot of glue functions in Python. They were all effectively a mapping over a list and doing a transform. People would add unit tests for them too. This doesn’t sound like a bad problem, and in a way, it’s not. How it’s a problem is that it creates multiple levels of indirection, when understanding…
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