ceph/src/boost/libs/type_traits/doc/add_pointer.qbk

   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:add_pointer add_pointer]
   9
  10    template <class T>
  11    struct add_pointer
  12    {
  13       typedef __below type;
  14    };
  15
  16 __type The same type as `remove_reference<T>::type*`.
  17
  18 The rationale for this template
  19 is that it produces the same type as `decltype(&t)`,
  20 where `t` is an object of type `T`.
  21
  22 __std_ref 8.3.1.
  23
  24 __header ` #include <boost/type_traits/add_pointer.hpp>` or ` #include <boost/type_traits.hpp>`
  25
  26 [table Examples
  27
  28 [ [Expression] [Result Type]]
  29
  30 [[`add_pointer<int>::type`][`int*`]]
  31
  32 [[`add_pointer<int const&>::type`] [`int const*`]]
  33
  34 [[`add_pointer<int*>::type`] [`int**`]]
  35
  36 [[`add_pointer<int*&>::type`] [`int**`]]
  37
  38 ]
  39
  40 [all_compilers]
  41
  42 [endsect]
  43