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After a bunch of experimentation with the sub-packages in this repo (errctx, and friends) I've figured out all the pain points and requirements for a fully fledged error library with all the bells and whistles.
Wrap
currently just calls all the wrappers in-series on the error value. But the plan is to provide a bunch of basic functionality that one would expect from an error library, most notably: stack traces. Which will likely take a lot of inspiration from eris but in a compact and less opinionated way.It's going to look a lot like the original fault library, but with the added bonus of composable wrappers to decorate the error with additional information in various ways!