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Scott Wlaschin - Domain modelling with the F# type system

NDC Conferences · Vimeo · 2 HN comments
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Vimeo Summary
Statically typed functional programming languages like F# encourage a very different way of thinking about types. The type system is your friend, not an annoyance, and can be used in many ways that might not be familiar to OO programmers.
Types can be used to represent the domain in a fine-grained, self documenting way. And in many cases, types can even be used to encode business rules so that you literally cannot create incorrect code. You can then use the static type checking almost as an instant unit test — making sure that your code is correct at compile time.
In this talk, we'll look at some of the ways you can use types as part of a domain driven design process, with some simple real world examples in F#. No jargon, no maths, and no prior F# experience necessary.



NDC Conferences
https://ndcoslo.com
https://www.ndcconferences.com
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Seconding this. On a higher level also, what really helped things click for me was his "Domain Driven Design" slides...

Slides: https://speakerdeck.com/swlaschin/domain-driven-design-with-...

Video of talk: https://vimeo.com/97507575

I feel that ways as well... and I'm loving F# for being easy to write and read and yet giving me algebraic data types which allow me to better to model the domain I'm working in and for forcing me to explicitly demarcate what's mutable and what's not.

You should check out Scott Wlaschin's talk, Domain Modeling with F# if you get the chance. https://vimeo.com/97507575

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