[/ Copyright 2007 John Maddock. Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt). ] [section:is_enum is_enum] template struct is_enum : public __tof {}; __inherit If T is a (possibly cv-qualified) enum type then inherits from __true_type, otherwise inherits from __false_type. __std_ref 3.9.2 and 7.2. __header ` #include ` or ` #include ` [all_compilers] __examples [:Given: `enum my_enum { one, two };` ] [:`is_enum` inherits from `__true_type`.] [:`is_enum::type` is the type `__true_type`.] [:`is_enum::value` is an integral constant expression that evaluates to /true/.] [:`is_enum::value` is an integral constant expression that evaluates to /false/.] [:`is_enum::value` is an integral constant expression that evaluates to /false/.] [:`is_enum::value_type` is the type `bool`.] [endsect]