My initial code was sloppy, sorry about that.  But you get the idea: 
testing if uint is "less than zero" is sometimes legit.

func log(msg string, level uint) {
  if level < appLevel {
    return
  }
  triggerBigNetworkLogTool(msg)
}

https://play.golang.org/p/v-7OcDCzmj

On Tuesday, May 23, 2017 at 5:27:26 PM UTC+2, Val wrote:
>
> FWIW, consider first that :
>
> if false {
>   foo()
>   bar()
> }
>
> is legal (and sometimes recommended by autorities, as opposed to 
> momentarily commenting out a block, and struggling with unused vars);
> and second that :
>
> func log(msg string, level uint) {
>   if level < appLevel {
>     triggerBigNetworkLogTool(msg)
>   }
> }
>
> is legal and useful, even if appLevel happens to be a uint constant with 
> value 0. See https://play.golang.org/p/nGbELUdvvu
>
> The current policy seems to be: a unused variable is always regarded as a 
> compilation error, but unreachable code (dead code) is never a compilation 
> error.
>
> On Tuesday, May 23, 2017 at 1:13:28 PM UTC+2, JuciÊ Andrade wrote:
>>
>> Now I understand it.
>> Thank you, guys.
>>
>

-- 
You received this message because you are subscribed to the Google Groups 
"golang-nuts" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to golang-nuts+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to