Please answer these questions before submitting your issue. Thanks!

1. What version of Go are you using (`go version`)?


2. What operating system and processor architecture are you using (`go env`)?


3. What did you do?
If possible, provide a recipe for reproducing the error.
A complete runnable program is good.
A link on play.golang.org is best.


4. What did you expect to see?


5. What did you see instead?