How about Go's... error on unused imports?

[BCS]

Hello Justin,

> Leandro Lucarella Wrote:
> 
>> Justin Johansson, el 12 de noviembre a las 21:40 me escribiste:
>> 
>>> Adam D. Ruppe Wrote:
>>> 
>>>> On Thu, Nov 12, 2009 at 11:12:49PM -0300, Leandro Lucarella wrote:
>>>> 
>>>>> Do you see any reasons not to do that? I think it happens very
>>>>> often to stop using some import and never notice it.
>>>>> 
>>>> I'll often import std.stdio when doing printf/writefln debugging.
>>>> It'd be really annoying if the compiler threw an error when I
>>>> comment out that writefln temporarily.
>>>> 
>>> Uhmm, definitely should be a warning, not an error.
>>> 
>> I agree, but you know what's the D policy about warnings :-/
>> 
> No, sorry I am not informed on D's policy about warnings; should I ask
> on D.learn?
> 

If you turn on warnings, they act as errors (no object file is generated)