Markus Schöpflin wrote:
>
> Daniel Frey wrote:
>
> > On Wed, 12 Feb 2003 18:37:51 +0100, Markus Schöpflin wrote:
> >
> >> Attached is a small patch for function_base.hpp. On line 302,
> >> there is a T missing.
> >
> > Just a stupid question: Why is it "missing"? What is this patch
> > supposed to fix?
>
> This was the original source:
>
> template<bool, typename> struct enable_if;
> -----------------------^
>
> Visual Age doesn't like this, it needs a name here.
^^^^^^^^^^
Ah, that's the reason. But given my recent discomfort about
unmaintainable code, look at it again:
# if BOOST_WORKAROUND(__HP_aCC, <= 33900)
template<bool cond, typename T> struct enable_if;
# else
template<bool, typename T> struct enable_if;
# endif
Does this really makes sense? Shouldn't we just keep one version with
names for template parameters? AFAICS this should work for all compilers
and it could be a general boost coding guideline to always provide names
for template parameters. Comments?
Regards, Daniel
--
Daniel Frey
aixigo AG - financial training, research and technology
Schloß-Rahe-Straße 15, 52072 Aachen, Germany
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