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proposal: Go 2: add optional types #41992
This would be a fairly major language change, and this issue doesn't have enough details (not even remotely) in it. Major changes to how the language works need to come with a detailed, comprehensive discussion of the proposed change.
Here's the proposals template: https://github.com/golang/proposal/blob/master/design/TEMPLATE.md
If you're interested, you may want to fill that out in detail. Feel free to open a new issue when you're done. I'm closing here since we don't really use the Issue Tracker as a dumping ground for barely sketched-out ideas. Thanks!