From: Aleksey Gurtovoy (agurtovoy_at_[hidden])
Date: 2004-09-05 06:07:04
Hugo Duncan writes:
> The following does not compile, on bcc 564 with latest pserver CVS.
> The Variant definition is similar to the one Borland provides in
> their VCL headers (and the problem therefore exists with any
> code that uses the VCL).
>
> The error message is
> E2015 Ambiguity between 'operator !=(int,const Variant &)' and '!='
>
> Removing the mpl include gets rid of the compile error.
>
> Any ideas?
Nasty Borland bug:
namespace aux {
enum My {};
bool operator!=(My, My);
}
struct Variant { Variant(int); };
enum Abc { abcd, abcde };
bool operator!=(int, const Variant&);
int main()
{
return abcde != abcd; // ambiguity
}
Workarounded in the CVS.
Thank you for the report,
-- Aleksey Gurtovoy MetaCommunications Engineering