Tag: interpreter

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Real world Tagless Final: Akka-Http

So far in our series about Interpreter patterns, we have looked at the ideas behind Tagless Final and Free monads, and seen how powerful they can be for de-coupling our application code and abstracting our effect types. However, we haven’t really looked at how these patterns really fit into our application code. Tagless Final &…
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An introduction to Free Monads

Free Monads solve the very same problem as Tagless Final but in a different way. Our goal is the same: we want to decouple or abstract the implementation details from the application code. If you recall our previous post, we did this by using expressions or functions that would be injected into our application code.…
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An introduction to Tagless Final in Scala

When you are building any kind of non-trivial application, you will naturally find yourself needing to decouple your implementation details from your application. Loose coupling not only makes code easier to test but also makes it easier to switch implementations in the future or for different use cases. One pattern that is increasing in popularity…
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