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_object is_object]
9   template <class T>
10   struct is_object : public __tof {};
11
12__inherit If T is a (possibly cv-qualified) object type
13then inherits from __true_type,
14otherwise inherits from __false_type.  All types are object types except
15references, void, and function types.
16
17__std_ref 3.9p9.
18
19__header ` #include <boost/type_traits/is_object.hpp>` or ` #include <boost/type_traits.hpp>`
20
21__examples
22
23[:`is_object<int>` inherits from `__true_type`.]
24
25[:`is_object<int*>::type` is the type `__true_type`.]
26
27[:`is_object<int (*)(void)>::value` is an integral constant
28expression that evaluates to /true/.]
29
30[:`is_object<int (MyClass::*)(void)const>::value` is an integral constant
31expression that evaluates to /true/.]
32
33[:`is_object<int &>::value` is an integral constant
34expression that evaluates to /false/: reference types are not objects]
35
36[:`is_object<int (double)>::value` is an integral constant
37expression that evaluates to /false/: function types are not objects]
38
39[:`is_object<const void>::value` is an integral constant
40expression that evaluates to /false/: void is not an object type]
41
42[:`is_object<T>::value_type` is the type `bool`.]
43
44[endsect]
45
46