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In this talk, we will take a tour around the `error` function. Starting from the simple use-cases and ending up with sophisticated yet developer-friendly error messages.
In this beginner-friendly talk we'll try to find out using the power of Scala and functional programming techniques.
We managed to alleviate almost entirely the slowdown induced by Tapir in a web socket server. The journey towards this goal was quite insightful, and we would like to share it with you.
This talk aims to equip the audience with the minimum required bagage to get comfortable working with contravariance.
