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`)?
11 If possible, provide a recipe for reproducing the error.
12 A complete runnable program is good.
13 A link on play.golang.org is best.
16 ### What did you expect to see?
19 ### What did you see instead?