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

[Justin Johansson]

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.