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_member_object_pointer is_member_object_pointer] 9 template <class T> 10 struct is_member_object_pointer : public __tof {}; 11 12__inherit If T is a (possibly cv-qualified) pointer to a member object (a data member) 13then inherits from __true_type, 14otherwise inherits from __false_type. 15 16__std_ref 3.9.2 and 8.3.3. 17 18__header ` #include <boost/type_traits/is_member_object_pointer.hpp>` or ` #include <boost/type_traits.hpp>` 19 20__examples 21 22[:`is_member_object_pointer<int (MyClass::*)>` inherits from `__true_type`.] 23 24[:`is_member_object_pointer<double (MyClass::*)>::type` is the type `__true_type`.] 25 26[:`is_member_object_pointer<const int (MyClass::*)>::value` is an integral constant 27expression that evaluates to /true/.] 28 29[:`is_member_object_pointer<int (MyClass::*)(void)>::value` is an integral constant 30expression that evaluates to /false/: the argument in this case is a pointer to 31a member function and not a member object, see __is_member_function_pointer 32and __is_member_pointer] 33 34[:`is_member_object_pointer<T>::value_type` is the type `bool`.] 35 36[endsect] 37 38