ceph/src/boost/libs/type_erasure/include/boost/type_erasure/detail/get_signature.hpp

   1 // Boost.TypeErasure library
   2 //
   3 // Copyright 2012 Steven Watanabe
   4 //
   5 // Distributed under the Boost Software License Version 1.0. (See
   6 // accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 // $Id$
  10
  11 #ifndef BOOST_TYPE_ERASURE_DETAIL_GET_SIGNATURE_HPP_INCLUDED
  12 #define BOOST_TYPE_ERASURE_DETAIL_GET_SIGNATURE_HPP_INCLUDED
  13
  14 #include <boost/typeof/typeof.hpp>
  15 #include <boost/type_traits/remove_pointer.hpp>
  16
  17 namespace boost {
  18 namespace type_erasure {
  19 namespace detail {
  20
  21 template<class Concept>
  22 struct get_signature {
  23     BOOST_TYPEOF_NESTED_TYPEDEF_TPL(nested, &Concept::apply)
  24     typedef typename boost::remove_pointer<
  25         typename nested::type
  26     >::type type;
  27 };
  28
  29 }
  30 }
  31 }
  32
  33 #endif