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Use boost is_polymorphic trait

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[SVN r16433]
This commit is contained in:
Dave Abrahams
2002-11-27 06:19:13 +00:00
parent 98c2bf8ff2
commit 3fc70519cf
1 changed files with 1 additions and 19 deletions
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20
include/boost/python/object/inheritance.hpp
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@@ -10,6 +10,7 @@
# include <boost/shared_ptr.hpp>
# include <boost/mpl/if.hpp>
# include <boost/type_traits/object_traits.hpp>
# include <boost/type_traits/is_polymorphic.hpp>
namespace boost { namespace python { namespace objects {
@@ -30,25 +31,6 @@ BOOST_PYTHON_DECL void* find_static_type(void* p, class_id src, class_id dst);
BOOST_PYTHON_DECL void* find_dynamic_type(void* p, class_id src, class_id dst);
// is_polymorphic test from John Maddock
template <class T>
struct is_polymorphic
{
struct d1 : public T
{
d1();
char padding[256];
};
struct d2 : public T
{
d2();
virtual ~d2();
virtual void foo();
char padding[256];
};
BOOST_STATIC_CONSTANT(bool, value = (sizeof(d2) == sizeof(d1)));
};
//
// a generator with an execute() function which, given a source type
// and a pointer to an object of that type, returns its most-derived