From 3c5579ccbceb12299b2747304839868516cc2a8a Mon Sep 17 00:00:00 2001
From: Douglas Gregor <doug.gregor@gmail.com>
Date: Thu, 25 Oct 2001 20:56:14 +0000
Subject: [PATCH] Removed function_cast() and .target_type()

[SVN r11443]
---
 include/boost/function/function_template.hpp | 134 -------------------
 1 file changed, 134 deletions(-)

diff --git a/include/boost/function/function_template.hpp b/include/boost/function/function_template.hpp
index 5de0be6..14f050e 100644
--- a/include/boost/function/function_template.hpp
+++ b/include/boost/function/function_template.hpp
@@ -46,8 +46,6 @@ namespace boost {
         virtual R call(BOOST_FUNCTION_PARMS) const = 0;
         virtual BOOST_FUNCTION_INVOKER_BASE* clone() const = 0;
         virtual void destroy(BOOST_FUNCTION_INVOKER_BASE*) = 0;
-        virtual const std::type_info& type() const = 0;
-        virtual any_pointer pointer() const = 0;
       };
 #endif // BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
 
@@ -115,16 +113,6 @@ namespace boost {
 #  endif // BOOST_NO_STD_ALLOCATOR
         }
 
-        virtual const std::type_info& type() const
-        {
-          return typeid(FunctionPtr);
-        }
-
-        virtual any_pointer pointer() const
-        {
-          return any_pointer(reinterpret_cast<void (*)()>(function_ptr));
-        }
-
       private:
         mutable FunctionPtr function_ptr;
 #else
@@ -202,16 +190,6 @@ namespace boost {
 #    endif // BOOST_NO_STD_ALLOCATOR
         }
 
-        virtual const std::type_info& type() const
-        {
-          return typeid(FunctionPtr);
-        }
-
-        virtual any_pointer pointer() const
-        {
-          return any_pointer(reinterpret_cast<void (*)()>(function_ptr));
-        }
-
       private:
         mutable FunctionPtr function_ptr;
 #  else
@@ -290,16 +268,6 @@ namespace boost {
 #endif // BOOST_NO_STD_ALLOCATOR
         }
 
-        virtual const std::type_info& type() const
-        {
-          return typeid(FunctionObj);
-        }
-
-        virtual any_pointer pointer() const
-        {
-          return any_pointer(&function_obj);
-        }
-
       private:
         mutable FunctionObj function_obj;
 #else
@@ -378,16 +346,6 @@ namespace boost {
 #  endif // BOOST_NO_STD_ALLOCATOR
         }
 
-        virtual const std::type_info& type() const
-        {
-          return typeid(FunctionObj);
-        }
-
-        virtual any_pointer pointer() const
-        {
-          return any_pointer(&function_obj);
-        }
-
       private:
         mutable FunctionObj function_obj;
 #  else
@@ -643,69 +601,7 @@ namespace boost {
 #endif // BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
     }
 
-    const std::type_info& target_type() const
-    {
-      if (this->empty())
-        return typeid(void);
-      else {
-#ifdef BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
-        impl_type* i = reinterpret_cast<impl_type*>(impl);
-        return i->type();
-#else
-        detail::function::any_pointer p = 
-          manager(functor, detail::function::retrieve_type_info);
-        return *static_cast<const std::type_info*>(p.const_obj_ptr);
-#endif // BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
-      }
-    }
-
-    template<typename To>
-    To& cast(To* dummy = 0)
-    {
-      assert(typeid(To) != typeid(void));
-      assert(typeid(To) == this->target_type());
-      typedef typename detail::function::get_function_tag<To>::type tag;
-
-#ifdef BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
-      impl_type* i = reinterpret_cast<impl_type*>(impl);
-      return cast_helper(i->pointer(), tag(), dummy);
-#else
-      return cast_helper(functor, tag(), dummy);
-#endif // BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
-    }
-
-    template<typename To>
-    const To& cast(To* dummy = 0) const
-    {
-      assert(typeid(To) != typeid(void));
-      assert(typeid(To) == this->target_type());
-      typedef typename detail::function::get_function_tag<To>::type tag;
-
-#ifdef BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
-      impl_type* i = reinterpret_cast<impl_type*>(impl);
-      return cast_helper(i->pointer(), tag(), dummy);
-#else
-      return cast_helper(functor, tag(), dummy);
-#endif // BOOST_FUNCTION_USE_VIRTUAL_FUNCTIONS
-    }
-
   private:
-    template<typename To>
-    To& cast_helper(detail::function::any_pointer p, 
-                    detail::function::function_ptr_tag,
-                    To* = 0) const
-    {
-      return reinterpret_cast<To>(p.func_ptr);
-    }
-
-    template<typename To>
-    To& cast_helper(detail::function::any_pointer p, 
-                    detail::function::function_obj_tag,
-                    To* = 0) const
-    {
-      return *static_cast<To*>(p.obj_ptr);
-    }
-
     void assign_to_own(const BOOST_FUNCTION_FUNCTION& f)
     {
       if (!f.empty()) {
@@ -838,36 +734,6 @@ namespace boost {
                    >& f2)
   {
     f1.swap(f2);
-  }                   
-
-  template<typename To, typename R 
-           BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS ,
-           typename Policy, typename Mixin, typename Allocator>
-  inline To& function_cast(BOOST_FUNCTION_FUNCTION<
-                             R BOOST_FUNCTION_COMMA
-                             BOOST_FUNCTION_TEMPLATE_ARGS ,
-                             Policy,
-                             Mixin,
-                             Allocator
-                           >& f,
-                           To* dummy = 0)
-  {
-    return f.cast(dummy);
-  }
-
-  template<typename To, typename R 
-           BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS ,
-           typename Policy, typename Mixin, typename Allocator>
-  inline const To& function_cast(const BOOST_FUNCTION_FUNCTION<
-                                         R BOOST_FUNCTION_COMMA
-                                         BOOST_FUNCTION_TEMPLATE_ARGS ,
-                                         Policy,
-                                         Mixin,
-                                         Allocator
-                                       >& f,
-                                 To* dummy = 0)
-  {
-    return f.cast(dummy);
   }
 }