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Go 1.21 Release Candidate (go.dev)

submitted 1 year ago by nickel@programming.dev to c/golang@programming.dev

6 comments fedilink hide all child comments

Go 1.21 RC released today. Some really interesting new additions. I'm pretty excited to see the map and slice package additions that contain a lot of generic methods. Will be nice not to have to maintain my own going forward.

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[–] kamstrup@programming.dev 7 points 1 year ago (1 children)

I am super excited for this release. I think varargs min/max() built-ins are my favorite feature. Closely followed by clear() and improved type-param inference

[–] bttk@programming.dev 2 points 1 year ago

Oh yes, finally! https://tip.golang.org/ref/spec#Min_and_max

[–] nickel@programming.dev 5 points 1 year ago

Curious to know if slog will finally allow the community to settle on a standard logger. I've been using logr.Logr interface for a long time now with zap as the backend. Will be nice to at least replace zap with the slog as the underlying logging mechanism to remove at least one dependency.

[–] stoex@programming.dev 2 points 1 year ago

Love the new built-ins. Also the addition of the slice and map packages are welcome.

I’m still experimenting with PGO, but in my current projects it sadly does not lead to performance gains. Looking forward to working with the feature more in-depth though.

[–] wilk@masto.bike 2 points 1 year ago (1 children)

@nickel Not boring release this time !

[–] nickel@programming.dev 3 points 1 year ago

Yea there is some really interesting stuff in this release! Love the addition of generics in the packages. I feel like future Go releases will have a lot more of these nice generic utils in them to help clean up userland code.