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pears-go
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bugsnag
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Explanation of context in go?
If I may be so bold to plug my own work. This package uses context's value storage feature quite a bit (see context.go) to offer APIs that can add custom data for diagnostics and observability purposes. The values stored in the context are used not for application logic, but to potentially attach to an error report. Particularly useful in middleware handlers.
pears-go
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pears: a package for easily handling panic recovery and collecting errors from worker routines.
What this appears to actually do is going to be fairly divergent from what people expect here. It sounds like you've got an errgroup alternative, but it requires Python, seems to have strong opinions about a development environment, and so on. The farther I dug into this the less I understood what it was doing.
What are some alternatives?
errors - A drop-in replacement for Go errors, with some added sugar! Unwrap user-friendly messages, HTTP status code, easy wrapping with multiple error types.
emperror - The Emperor takes care of all errors personally
go-ez - An experimental Go package that allows you to write less error handling and makes the logic look simpler and clearer.
eris - Error handling library with readable stack traces and flexible formatting support 🎆
watcher - watcher is a Go package for watching for files or directory changes without using filesystem events.
errorx - A comprehensive error handling library for Go
yubikey-touch-detector - A tool to detect when your YubiKey is waiting for a touch (to send notification or display a visual indicator on the screen)