Error Translation at Abstraction Boundaries (Go)
How do you translate system errors into context aware domain errors? What should the caller system receive when a file, the system is trying to read, is not available? How about a scenario when the OS denied access permissions to a resource? To explore this, I built a small Go app that reads a JSON file and parses it. That’s it. The goal was not parsing JSON. The goal was to understand how system level errors are translated into domain aware errors and more importantly, when that translation actually matters. ...