Go2 Playground and constraints package

[Johann Höchtl]

The example from

https://github.com/mattn/go-generics-example/blob/main/constraints-chan/main.go

does not work with the Go2 Playground

https://go2goplay.golang.org/p/Is-IieENirk

as the constraints package is not available. I didn't find any mention on that on the Internets, is this a known limitation of the Go2 playground?

Thanks!

[Axel Wagner]

The go2go playground is basically obsolete, as it is based on the prototype implementation, instead of gotip.

You can use https://gotipplay.golang.org/ which provides a playground based on gotip. Though the example does not work there either, as `constraints.Chan` has been removed after https://github.com/golang/go/issues/48424.

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[Johann Höchtl]

Thanks for pointing me to the tip-playground. And I like all being discussed in https://github.com/golang/go/issues/48424