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

   1 [/
   2   Copyright 2015 Peter Dimov.
   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:type_identity type_identity]
   9
  10    template <class T>
  11    struct type_identity
  12    {
  13       typedef T type;
  14    };
  15
  16 __header ` #include <boost/type_traits/type_identity.hpp>` or ` #include <boost/type_traits.hpp>`
  17
  18 [table Examples
  19
  20 [ [Expression] [Result Type]]
  21
  22 [[`type_identity<int>::type`][`int`]]
  23
  24 [[`type_identity<int&>::type`] [`int&`]]
  25
  26 [[`type_identity<int* const&>::type`] [`int* const&`]]
  27
  28 ]
  29
  30 [endsect]
  31