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From: Martin Wille (mw8329_at_[hidden])
Date: 2005-10-11 07:16:46


the tutorial says:

   The declaration of the visitor keyword you see here is equivalent to:

   namespace graphs
     namespace tag { struct visitor; }
     namespace {
       boost::parameter::keyword<tag::visitor>& visitor
       = boost::parameter::keyword<tag::visitor>::get();

However, BOOST_PARAMETER_KEYWORD(tag, visitor) expands to

   namespace tag { struct visitor; }
   ::boost::parameter::keyword<tag::visitor>& visitor =

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