1 Please answer these questions before submitting your issue. Thanks!
3 ### What version of Go are you using (`go version`)?
6 ### What operating system and processor architecture are you using (`go env`)?
10 If possible, provide a recipe for reproducing the error.
11 A complete runnable program is good.
12 A link on play.golang.org is best.
15 ### What did you expect to see?
18 ### What did you see instead?