It's not and it's easy to test:
Save as t.go:
package main
import "fmt"
func main() {
var s []int
for i := 0; i < 100000; i++ {
go func(n int) {
s = append(s, n)
}(i)
}
fmt.Printf("%d\n", s[0])
}
hen `go run -race t.go` and watch race detector complain.
-- kjk
On Thursday, January 19, 2017 at 1:43:13 PM UTC-8, xiaohai dai wrote:
>
> I know that map in golang is not thread-safe for writing.
> However, I'm not sure slice/array is thread-safe for writing. I have
> searched the related posts and blogs in google, but find no unambiguous
> statement.
>
> Thanks in advance!
>
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