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).
8 [section:is_enum is_enum]
10 struct is_enum : public __tof {};
12 __inherit If T is a (possibly cv-qualified) enum type then inherits from __true_type,
13 otherwise inherits from __false_type.
15 __std_ref 3.9.2 and 7.2.
17 __header ` #include <boost/type_traits/is_enum.hpp>` or ` #include <boost/type_traits.hpp>`
23 [:Given: `enum my_enum { one, two };` ]
25 [:`is_enum<my_enum>` inherits from `__true_type`.]
27 [:`is_enum<my_enum const>::type` is the type `__true_type`.]
29 [:`is_enum<my_enum>::value` is an integral constant
30 expression that evaluates to /true/.]
32 [:`is_enum<my_enum&>::value` is an integral constant
33 expression that evaluates to /false/.]
35 [:`is_enum<my_enum*>::value` is an integral constant
36 expression that evaluates to /false/.]
38 [:`is_enum<T>::value_type` is the type `bool`.]