ceph/src/boost/libs/type_traits/include/boost/type_traits/add_pointer.hpp

   1
   2 // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6 //
   7 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
   8
   9 #ifndef BOOST_TT_ADD_POINTER_HPP_INCLUDED
  10 #define BOOST_TT_ADD_POINTER_HPP_INCLUDED
  11
  12 #include <boost/type_traits/remove_reference.hpp>
  13
  14 namespace boost {
  15
  16 #if defined(__BORLANDC__) && (__BORLANDC__ < 0x5A0)
  17 //
  18 // For some reason this implementation stops Borlands compiler
  19 // from dropping cv-qualifiers, it still fails with references
  20 // to arrays for some reason though (shrug...) (JM 20021104)
  21 //
  22 template <typename T>
  23 struct add_pointer
  24 {
  25     typedef T* type;
  26 };
  27 template <typename T>
  28 struct add_pointer<T&>
  29 {
  30     typedef T* type;
  31 };
  32 template <typename T>
  33 struct add_pointer<T&const>
  34 {
  35     typedef T* type;
  36 };
  37 template <typename T>
  38 struct add_pointer<T&volatile>
  39 {
  40     typedef T* type;
  41 };
  42 template <typename T>
  43 struct add_pointer<T&const volatile>
  44 {
  45     typedef T* type;
  46 };
  47
  48 #else
  49
  50 template <typename T>
  51 struct add_pointer
  52 {
  53     typedef typename remove_reference<T>::type no_ref_type;
  54     typedef no_ref_type* type;
  55 };
  56
  57 #endif
  58
  59 } // namespace boost
  60
  61 #endif // BOOST_TT_ADD_POINTER_HPP_INCLUDED