he/him 
Anyone who says "code should be self-documenting" probably doesn't comment their code enough
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Tests are always a good source to aid understanding.
I guess if you unit test absolutely everything? That's not really the reality though (thankfully).
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ok to go full circle now i think tests should be comments and comments should be tests https://elixir-lang.org/getting-started/mix-otp/docs-tests-and-with.html …
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