This presentation describes the development of a financial middleware that internationally connects several ERP systems (Navision and SAP) to a cloud-based invoicing solution.
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 is my slightly expanded version of that statement, and should hopefully understand what "Free" is, what purpose it serves and where it came from.