#79 - Domain-Driven Design With Functional Programming - Scott Wlaschin

“It is good to improve your processes to make them faster and more efficient. But sometimes what’s even more important is doing the right thing in the first place."

Scott Wlaschin is the author of “Domain Modeling Made Functional” and the popular F# site fsharpforfunandprofit.com. In this episode, Scott began by sharing his view of the need for developers today to become more polyglot developers and learn multiple programming languages. Scott then shared about functional programming (FP) fundamentals and how FP differs with object-oriented programming, as well as cases when one is better suited than the other. Scott then explained how we can use FP when implementing Domain-Driven Design (DDD), including how to model some of the DDD tactical designs and transaction boundary. He also shared why F# is his favorite and go-to programming language. Towards the end, Scott touched on important advice about effectiveness vs efficiency, and what leaders need to be aware of regarding doing the right thing.

Listen out for:

• Career Journey - [00:06:16]
• Polyglot Developer - [00:11:01]
• Functional Programming - [00:14:59]
• Case for OOP - [00:19:56]
• DDD and FP - [00:21:02]
• Modeling Tactical Design in FP - [00:24:10]
• Modeling Transaction - [00:28:49]
• F# - [00:32:22]
• Effective Instead of Efficient - [00:34:43]
• Advice on Valuing Effectiveness - [00:38:31]
• 3 Tech Lead Wisdom - [00:40:30]

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Scott Wlaschin’s Bio
Scott Wlaschin is a developer, architect and author. He is the writer behind the popular F# site fsharpforfunandprofit.com, and the book ‘Domain Modeling Made Functional’ published by Pragmatic Bookshelf. Known for his non-academic approach to functional programming, Scott is a popular speaker and has given talks at NDC, F# Exchange, DDD Europe, and other conferences around the world.

Follow Scott:

• Twitter – @ScottWlaschin
• LinkedIn – https://www.linkedin.com/in/scottwlaschin
• F# for Fun and Profit – https://fsharpforfunandprofit.com/

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For more info about the episode (including quotes and transcript), visit techleadjournal.dev/episodes/79.