[v3] PATCH: PR 20599 (variadic templates, take two) (4/4)

[Gennaro Prota]

On Wed, 20 Sep 2006 20:15:29 +0200, Paolo Carlini <pcarlini@suse.de>
wrote:

>Douglas Gregor wrote:
>
>> This is part 4 of 4. It contains changes to libstdc++'s TR1  
>> implementation to make full use of variadic templates, eliminating  
>> all of the preprocessor metaprogramming that we're using now.
>
>+  // Define a large number of placeholders. There is no way to
>+  // simplify this with variadic templates, because we're introducing
>+  // unique names for each.
>+  namespace placeholders { namespace {
>+    _Placeholder<1> _1;
>+    _Placeholder<2> _2;
>+    _Placeholder<3> _3;
>+    ...
>+  } }

Hi,

is this in an included file? You don't want to open an unnamed
namespace there.

--
Genny.