[Boost-commit] svn:boost r63404 - sandbox/variadic_templates/boost/composite_storage/pack/multiple_dispatch

Subject: [Boost-commit] svn:boost r63404 - sandbox/variadic_templates/boost/composite_storage/pack/multiple_dispatch
From: cppljevans_at_[hidden]
Date: 2010-06-27 23:29:49

Author: cppljevans
Date: 2010-06-27 23:29:45 EDT (Sun, 27 Jun 2010)
New Revision: 63404
URL: http://svn.boost.org/trac/boost/changeset/63404

Log:
convert to 'more common' coding style
Text files modified: 
   sandbox/variadic_templates/boost/composite_storage/pack/multiple_dispatch/apply_unpack.hpp |   197 +++++++++++++++------------------------ 
   1 files changed, 78 insertions(+), 119 deletions(-)

Modified: sandbox/variadic_templates/boost/composite_storage/pack/multiple_dispatch/apply_unpack.hpp
==============================================================================
--- sandbox/variadic_templates/boost/composite_storage/pack/multiple_dispatch/apply_unpack.hpp	(original)
+++ sandbox/variadic_templates/boost/composite_storage/pack/multiple_dispatch/apply_unpack.hpp	2010-06-27 23:29:45 EDT (Sun, 27 Jun 2010)
@@ -22,126 +22,85 @@
 {
 namespace multiple_dispatch
 {
-  template
-  < typename Functor
-  >
-struct functor_result_type
-{
-        typedef
-      typename remove_cv<Functor>::type
-    functor_type
-    ;
-        typedef
-      typename functor_type::result_type
-    type
-    ;
-};  
-
-  template
-  < typename Functor
-  , typename... Args
-  >
-  typename functor_result_type<Functor>::type
-apply_ftor_callable_args
-  ( mpl::bool_<true>
-  , Functor& ftor
-  , Args const&... args
-  )
-{
-    return ftor(args...);
-};
-
+  template <typename Functor>
+  struct functor_result_type
+  {
+      typedef typename remove_cv<Functor>::type functor_type;
+      typedef typename functor_type::result_type type;
+  };  
+  
+  template <typename Functor, typename... Args>
+    typename functor_result_type<Functor>::type
+  apply_ftor_callable_args( mpl::bool_<true>, Functor& ftor
+    , Args const&... args)
+  {
+      return ftor(args...);
+  };
+  
   template<typename FunctorArgs>
-struct bad_functor_args
-  : public std::exception
-{
-    virtual const char * what() const throw()
-    {
-        return "boost::composite_storage::pack::multiple_dispatch::bad_functor_args: "
-               "Functor not defined for Args.";
-    }
-};    
-  template
-  < typename Functor
-  , typename... Args
-  >
-  typename functor_result_type<Functor>::type
-apply_ftor_callable_args
-  ( mpl::bool_<false>
-  , Functor& ftor
-  , Args const&... args
-  )
-{
-    throw bad_functor_args<Functor(Args const&...)>();
-    return typename functor_result_type<Functor>::type();
-};
-
-  template
-  < typename Functor
-  , typename... Args
-  >
-  typename functor_result_type<Functor>::type
-apply_ftor_check_args
-  ( Functor& ftor
-  , Args const&... args
-  )
-  /**@brief
-   *  If ftor is callable with args..., does so.
-   *  If not, then issues error message and returns
-   *  default value.
-   */
-{
-        typedef
-      typename function_types::can_be_called<Functor(Args const&...)>::type
-    is_ftor_args_callable;
-    return apply_ftor_callable_args
-      ( is_ftor_args_callable()
-      , ftor
-      , args...
-      );
-};
-
-  template
-  < typename Indices
-  >
-struct apply_unpack
-;
-  template
-  < unsigned... Indices
-      //0...Arity-1, where Arity is arity of Functor arg to this->operator()(_,_).
-  >
-struct apply_unpack
-  < mpl::package_c<unsigned, Indices...>
-  >
-{
-      template
-      < typename Functor
-      , typename ArgsPacked
-      >
-      typename functor_result_type<Functor>::type
-    operator()
-      ( Functor& a_functor
-      , ArgsPacked const& a_args
-      )
-    {
-        return 
-        #ifndef APPLY_UNPACK_DEMO_UNCHECK_ARGS
-          apply_ftor_check_args
-          ( a_functor
-          , a_args.template project<Indices>()...
-          )
-        #else
-          //This branch of #if...#endif can cause compile errors
-          //about "no match for for call to 'SomeFunCall'"
-          //where SomdFunCall is some function name and
-          //parameter type list.
-          a_functor
-          ( a_args.template project<Indices>()...
-          )
-        #endif
-          ;
-    }
-};
+  struct bad_functor_args
+    : public std::exception
+  {
+      virtual const char * what() const throw()
+      {
+          return "boost::composite_storage::pack::multiple_dispatch"
+                 "::bad_functor_args:\n"
+                 "      Functor not defined for Args.";
+      }
+  };
+      
+  template <typename Functor, typename... Args>
+    typename functor_result_type<Functor>::type
+  apply_ftor_callable_args( mpl::bool_<false>, Functor& ftor
+    , Args const&... args
+    )
+  {
+      throw bad_functor_args<Functor(Args const&...)>();
+      return typename functor_result_type<Functor>::type();
+  };
+  
+  template <typename Functor, typename... Args>
+    typename functor_result_type<Functor>::type
+  apply_ftor_check_args
+    ( Functor& ftor
+    , Args const&... args
+    )
+    /**@brief
+     *  If ftor is callable with args..., does so.
+     *  If not, then issues error message and returns
+     *  default value.
+     */
+  {
+      typedef typename function_types
+        ::can_be_called<Functor(Args const&...)>::type
+      is_ftor_args_callable;
+      return apply_ftor_callable_args( is_ftor_args_callable()
+        , ftor, args...);
+  };
+  
+  template <typename Indices>
+  struct apply_unpack;
+  
+  template <unsigned... Indices>
+  struct apply_unpack< mpl::package_c<unsigned, Indices...> >
+  {
+      template <typename Functor, typename ArgsPacked>
+        typename functor_result_type<Functor>::type
+      operator()( Functor& a_functor, ArgsPacked const& a_args)
+      {
+          return 
+          #ifndef APPLY_UNPACK_DEMO_UNCHECK_ARGS
+            apply_ftor_check_args( a_functor
+              , a_args.template project<Indices>()...);
+          #else
+            //This branch of #if...#endif can cause compile errors
+            //about "no match for for call to 'SomeFunCall'"
+            //where SomdFunCall is some function name and
+            //parameter type list.
+            a_functor( a_args.template project<Indices>()...);
+          #endif
+      }
+  };
 
 }//exit multiple_dispatch namespace
 }//exit pack namespace