Re: Need workaround for template bug in VS2005

From:
"Ben Voigt [C++ MVP]" <bvoigt@newsgroup.nospam>
Newsgroups:
microsoft.public.vc.language
Date:
Sun, 5 Jul 2009 23:07:11 -0500
Message-ID:
<9AC1124A-9030-401E-8BF0-57B5526D38F0@microsoft.com>
Try a reference instead of a pointer, or use just the function name and let
it decay to an address automatically?

"mps" <Mike.Spertus@veritas.com> wrote in message
news:3ffb8af5-2ff6-4840-aac5-a3df48d5e26d@v37g2000prg.googlegroups.com...

The following simplified program fails in VS2005 with SP1, with the
error "C2975: 't' : invalid template argument for 'C<T>::hi', expected
compile-time constant expression"

template<typename T>
class C {
public:
   template<T t>
   static int hi() { return 0; }
};

int fa() { return 0; }
int main()
{
   C<int (*)()>::hi<&fa>();
   return 0;
}

This is definitely a bug, the code works fine with VS2008, g++, and
Comeau, none of which are options for us. Any ideas for workarounds?

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