Cleanups and clarification

[SVN r2555]

test/named_params_sfinae.cpp

@@ -16,8 +16,8 @@ namespace test
   keyword<struct name_> name;
   keyword<struct value_> value;
   
-  struct f_keywords
-    : keywords<
+  struct f_parameters
+    : parameters<
           optional<
               name_
             , boost::is_convertible<boost::mpl::_, std::string>
@@ -29,33 +29,36 @@ namespace test
       >
   {};
 
+  template <class T> struct not_implemented;
+  
   template<class P>
   void f_impl(P const& p)
   {
       std::string s = p[name | "bar"];
       float v = p[value | 3.f];
 
+      std::cout << "s is " << s << std::endl;
       assert(s == "foo");
       assert(v == 3.f);
   }
- 
-  void f()
+
+  void f(...)
   {
-      f_impl(f_keywords()());
+      f_impl(f_parameters()());
   }
   
   template<class A0>
   void f(A0 const& a0
-      , typename f_keywords::restrict<A0>::type = f_keywords())
+      , typename f_parameters::restrict<A0>::type = f_parameters())
   {
-      f_impl(f_keywords()(a0));
+      f_impl(f_parameters()(a0));
   }
 
   template<class A0, class A1>
   void f(A0 const& a0, A1 const& a1
-      , typename f_keywords::restrict<A0, A1>::type = f_keywords())
+      , typename f_parameters::restrict<A0, A1>::type = f_parameters())
   {
-      f_impl(f_keywords()(a0, a1));
+      f_impl(f_parameters()(a0, a1));
   }
 
 } // namespace test