<p>For audio, video, and text transcripts: <a href="https://lispcast.com/can-you-have-a-clean-domain-model/">https://lispcast.com/can-you-have-a-clean-domain-model/</a></p>

What do product and sum types have to do with data modeling?

An off-the-cuff stream of Functional Programming ideas, skills, patterns, and news from Functional Programming expert Eric Normand of LispCast. Formerly known as Thoughts on Functional Programming.