Hm. For me, it still enables the rangefunc experiment, even though go.mod
says go 1.21:
mero@vetinari ~/tmp/x$ gotip version
go version devel go1.21-ca691a8566d Tue Jul 18 10:30:20 2023 -0400 (w/
rangefunc) linux/amd64
mero@vetinari ~/tmp/x$ cat go.mod
module x
go 1.21
mero@vetinari ~/tmp/x$ cat x.go
package main
import "fmt"
func main() {
s := []int{1, 2, 3}
for v := range All(s) {
fmt.Println(v)
}
}
func All[T any](s []T) func(yield func(T) bool) bool {
return func(yield func(T) bool) bool {
for _, v := range s {
if !yield(v) {
return false
}
}
return true
}
}
mero@vetinari ~/tmp/x$ gotip run x.go
1
2
3
On Fri, Aug 18, 2023 at 10:54 PM Hein Meling <hein.mel...@gmail.com> wrote:
> Hi all,
>
> I wanted to play around with the new range func CL
> <https://github.com/golang/go/issues/61405>.
>
> Doing simple stuff works just fine, but if I need to import packages to
> construct my custom iterator func, the go/gotip command insists on a go.mod
> file, which effectively resets the go version to 1.21.0 (due to go.mod),
> instead of the "(w/ rangefunc)" CL.
>
> Anyone know any workarounds for this?
>
> Thanks,
> :) Hein
>
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