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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.
This talk aims to equip the audience with the minimum required bagage to get comfortable working with contravariance.
I would like to go over the most relevant tools and changes that can improve your developer experience.
In this session, I will guide you through two recent additions to Ox that I helped implement: channel operators and retries.
