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As is commonplace amongst many companies, the main code base is usually a C# monolith. Although there is a lot of domain knowledge captured in it, using C# wasn't always the best choice to solve domain problems. Upon discovering F#, it was a better fit for some of the features Gien and team were currently implementing in C#. However, rewriting everything at once in F# would be ineffective. The manual says C# and F# play nice together. This was then tried out, pushing it as far as possible. In this talk, you will learn how Gien and team used F# in our existing C# monolith. You will explore the positive and negative effects of certain decisions, what can be done differently in the future and whether or not C# and F# do indeed play nice together.
Playing nice together: how to use F# in a brownfield project - Audience Level: Beginner
Gien is a software developer with 7 years of experience, mainly in a .NET environment. She is a strong believer of continuously learning by deliberate practice and knowledge sharing, which is why she takes part in the organization of two Belgian communities, namely DDDBE and SoCraTesBE.