1[/
2  Copyright 2007 John Maddock.
3  Distributed under the Boost Software License, Version 1.0.
4  (See accompanying file LICENSE_1_0.txt or copy at
5  http://www.boost.org/LICENSE_1_0.txt).
6]
7
8[section:is_polymorphic is_polymorphic]
9   template <class T>
10   struct is_polymorphic : public __tof {};
11
12__inherit If T is a (possibly cv-qualified) polymorphic type
13then inherits from __true_type,
14otherwise inherits from __false_type.  Type `T` must be a complete type.
15
16__std_ref 10.3.
17
18__compat The implementation requires some knowledge of the compilers ABI,
19it does actually seem to work with the majority of compilers though.
20
21__header ` #include <boost/type_traits/is_polymorphic.hpp>` or ` #include <boost/type_traits.hpp>`
22
23__examples
24
25[: Given: `class poly{ virtual ~poly(); };` ]
26
27[:`is_polymorphic<poly>` inherits from `__true_type`.]
28
29[:`is_polymorphic<poly const>::type` is the type `__true_type`.]
30
31[:`is_polymorphic<poly>::value` is an integral constant
32expression that evaluates to /true/.]
33
34[:`is_polymorphic<T>::value_type` is the type `bool`.]
35
36[endsect]
37
38