#Spawnfest 2018 is less than a month away!! Get your team ready! ElixirMix Podcast 025 - Rethinking Config with Saša Jurić

Don't Repeat Your Domain Knowledge

I often feel that we are not using modules/classes/functions to extract domain knowledge often enough.

In this post, I discussed why we need DRY and when is the best time to do it: https://dsdshcym.github.io/blog/2018/10/26/dont-repeat-your-domain-knowledge/


  • We need DRY because we need to eliminate the duplication of knowledge.
  • Both “abstract later” and “abstract early” are bad.
  • What we really should do is to look out for our domain knowledge and persist them as part of our code.

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