I am having some trouble understanding that why my code complains when I have hyphen in package. e.g. if I have a package name foo-bar and I declare that package name package foo-bar foo-bar/confi...

The testing package is available in the go playground. How can I use the go playground to demonstrate testing concepts, without access to go test? My assumption is it's possible using the testing...

I am using go-playground/validator/v10 to validate some input and have some trouble with custom validation tags and functions. The problem is that the function is not called when one of the struct ...

I met a strange issue when doing test with channels. In a normal main function, the following code will report the deadlock error. package main import ( "fmt" ) func main() { c := make(chan i...

How can I define different files or packages inside the Go playground? Specially for checking it can be handy to define a package inside the playground. But to manage this I need to define differe...

I had trouble finding a list of what packages may be imported in the go playground at http://play.golang.org/. I was trying to use the (apparently experimental) package for ebnf. However even a sho...

I googled but got no answer. Is it possible? If yes, how to do it? The Go Playground link: https://play.golang.org/

To settle some misunderstandings I have about goroutines, I went to the Go playground and ran this code: package main import ( "fmt" ) func other(done chan bool) { done <- true go func() {...