You can see how the different runtime.GOOS values are defined in the
OS-specific runtime files like
https://github.com/golang/go/blob/master/src/runtime/internal/sys/zgoos_windows.go.
They happen to be lowercase, but I don't know anything that guarantees that
in any future.
Curious though, why does it matter if you import the strings package for a
single check? That's surprising to me.
On Mon, Aug 7, 2017 at 2:00 PM, Eric Brown <edb1...@gmail.com> wrote:
> This may be a completely stupid or trivial question; however...
>
> I currently use this on some old code I'm working on and trying to clean
> things up:
>
> switch os := strings.ToLower(runtime.GOOS); os {
> case "windows":
> // do windows stuff here
> case "linux":
> // do linux stuff here
>
> default:
> // do default stuff here
>
> }
>
>
> I hate to import the entire strings package just to ensure that switch
> will work. Does anybody know if runtime.GOOS will always return a
> lowercase value so I don't have to import the strings package just for this
> single check? All I can find is that GOOS returns (sys
> <https://golang.org/pkg/runtime/internal/sys/>.GOOS
> <https://golang.org/pkg/runtime/internal/sys/#GOOS>)...
> I'd rather be safe than sorry.
>
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