Re: error: forming reference to void

1 msg	Making signaling nans signal?
2 msg	Using --with-sysroot and the location of system...
2 msg	Possible accepts invalid in C++: Thing::Thing::...
12 msg	Problems with building gcc 4.2.1
4 msg	force symbols for inline functions to be addres...
3 msg	undefined symbol

error: forming reference to void
\ Arturs Zoldners (24 Sep 2007)
. \ John Love-Jensen (24 Sep 2007)

3 msg	GCC 4.2.1 build issue on Solaris 5.9 ?
11 msg	execution order
2 msg	gcc crosscompile for PPC, Please help!
3 msg	gcc compilation errors(c++)
3 msg	When to use if-if, else-if, switch, goto and lo...
5 msg	Re: Build on powerpc-ibm-aix4.3.1.0
3 msg	-ffast-math individual optimizations
1 msg	Cross toolchain problem.
4 msg	GCC ARM assembly questions
4 msg	is it possible to size a pointer's target?
2 msg	Passing temporary class instantiation as an arg...
1 msg	visibility and nested classes - im a bit confused
6 msg	local variable alignment on Solaris/SPARC, with...

Subject:	Re: error: forming reference to void
Group:	Gcc-help
From:	John Love-Jensen
Date:	24 Sep 2007

Hi Arturs,

> The question is, why gcc tries to resolve "operator *()" at variable
> declaration time, but not at operator invocation time? Yeah, *(void*) is
> meaningless, but so is (int)->.

I may be mistaken, but I think the methods of the instantiated template are
created when the template is instantiated, not when those methods are used.

In the case you've run into, a template specialization would be the
appropriate way to handle this situation.

HTH,
--Eljay