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This talk is my slightly expanded version of that statement, and should hopefully understand what "Free" is, what purpose it serves and where it came from.
This talk aims to equip the audience with the minimum required bagage to get comfortable working with contravariance.
Let's write a game in Scala Native, for Playdate!
I would like to go over the most relevant tools and changes that can improve your developer experience.
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.
