| --- |
| title: Go 2 Error Values Feedback |
| --- |
| |
| This page is meant to collect and organize feedback about the Go 2 [error values draft designs](https://go.googlesource.com/proposal/+/master/design/go2draft-error-values-overview.md). |
| |
| Please post feedback on your blog, Medium, GitHub Gists, mailing lists, Google Docs, etc. And then please link it here. |
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| As the amount of feedback grows, please feel free to organize this page by specific kind of feedback. |
| |
| ## Further Background |
| |
| - Ben Johnson, "[Failure is Your Domain](https://middlemost.com/failure-is-your-domain/)", June 2018 |
| |
| ## Draft Implementation |
| |
| - Go Team, “[x/exp/errors](https://pkg.go.dev/golang.org/x/exp/errors)”, November 2018 |
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| - Torben Schinke, “[Implementation of the draft design](https://github.com/worldiety/errors)”, December 2018 |
| |
| ## Error Inspection |
| |
| - Ilya Sinelnikov, "[`Is` and `As` differ in behavior which is unexpected](https://github.com/sidh/go2errorsinspection)", December 2018 |
| - Roger Peppe, "[Some thoughts about the draft Go error inspection design](https://gist.github.com/rogpeppe/a435b57473152e3429a5a149401edacf)", November 2018 |
| - Greg Weber, “[Horizontal composition: Error inspection for groups](https://gist.github.com/gregwebs/5a14a83970d607411310a3e0281d55be)”, September 2018 |
| - Eyal Posener, "[Reply](https://gist.github.com/gregwebs/5a14a83970d607411310a3e0281d55be#gistcomment-2710662)", September 2018 |
| - K. Alex mills, "[Rename Wrapper to Unwrapper](https://gist.github.com/kalexmills/46c2cb276c69b659005d8705180b268a)", September 2018 |
| - jimmy frasche, "[Why limit this inspection to errors?](https://gist.github.com/jimmyfrasche/04ca2146c9130dab4d993365313722fb)", August 2018 |
| - Dan Kortschak, [Carrying contract expectations and values causing errors in ev3go](https://github.com/ev3go/ev3dev/blob/master/errors.go), August 2018 |
| - Daniel Theophanes, "[Go 2 Design: Error Inspection with Error Lists](https://docs.google.com/document/d/e/2PACX-1vT-CPcBV53awF7vq5bJEi1Y_DkuVmWW0RWl-gsujByB1mjX67rH58-mex1on1waR4Q_gyhPu5TdghMv/pub), August 2018 |
| - Cosmos Nicolaou "[Inspection of errors in a different address space](https://github.com/cosnicolaou/core/wiki/go-2.0-error-handling-feedback)", September 2018 |
| - Chris Siebenmann, "[Error inspection improves current annoyances but may not go far enough](https://utcc.utoronto.ca/~cks/space/blog/programming/Go2ErrorInspectionViews)", September 2018 |
| - Paul Meyer, “[errors.New?]( - _Your Name_, “[_Title_](#URL)”, August 2018 |
| - Vojtech Vitek "[adopt Cause and Wrap from github.com/pkg/errors](https://go.dev/issue/25675)", May 2018 |
| - Andrew Wilkins "[Programmatic Frame inspection](https://gist.github.com/axw/247b6f69d2da016bb21a5eb1be44e611)", January 2019 |
| - _Carl Johnson_, "[_`As()` and `Is()` are useful for optional interfaces beyond error_](https://gist.github.com/carlmjohnson/d06cd8d10e0aef65f565a55cc57cd986), Feb. 2019 |
| - ques0942, "[xerrors has less feature about trace's detail](https://dev.to/ques0942/xerrors-has-less-feature-about-traces-detail-4861)", Mar. 2019 |
| - _Your Name_, “[_Title_](#URL)”, _month year_ |
| - etc. |
| |
| ## Error Printing |
| |
| - Calle Pettersson, [Multi-line errors and log collection tools](https://gist.github.com/carlpett/bc1714060235edc0ad3fd9ead82f4ce6)”, August 2018 |
| - jimmy frasche, "[Why limit these interfaces to errors?](https://gist.github.com/jimmyfrasche/e02fcbefee5cb14228768afec17abbee)" , August 2018 |
| - Chris Hines, “[Types cannot implement both the errors.Formatter and fmt.Formatter interfaces |
| ](https://gist.github.com/ChrisHines/a732a9b1ef3acb6acfee2ccc174e31ed)”, _August 2018_ |
| - Dean Bassett, “[Make errors.Detailer, not errors.Formatter](https://gist.github.com/deanveloper/61544f16a7d4c3d517bda10c08080270)”, _September 2018_ |
| - Bryan C. Mills, “[Error Wrapping and Redundancy in Go](https://github.com/bcmills/go-experience-reports/blob/master/errors.md)”, _September 2019_ |
| - _Your Name_, “[_Title_](#URL)”, _month year_ |
| - etc. |
| |
| ## Misc |
| |
| - TJ Holowaychuk, [Structured access for structured logging](https://gist.github.com/tj/638adb053f802e6c19686bd2fee443b7), April, 2019 |
| - Andrew Chambers, [My current error approach](https://gist.github.com/andrewchambers/5cadb2b8b45271440f1a051bb1ccc9c6), August, 2018 |
| - mikioh, [A walkthrough on Error Values for issue 18183](https://gist.github.com/mikioh/93f575120ded671bad18491ecf41743d), October, 2018 |
| |
| ## Against Any Change At All |
| |
| - Rob Pike - [Simplicity is Complicated](https://www.youtube.com/watch?v=rFejpH_tAHM), December 2015 |
