ceph/src/boost/libs/optional/doc/24_ref_optional_fwd.qbk

   1 [/
   2     Boost.Optional
   3
   4     Copyright (c) 2003-2007 Fernando Luis Cacciola Carballal
   5     Copyright (c) 2015 Andrzej Krzemienski
   6
   7     Distributed under the Boost Software License, Version 1.0.
   8     (See accompanying file LICENSE_1_0.txt or copy at
   9     http://www.boost.org/LICENSE_1_0.txt)
  10 ]
  11
  12 [section Header <boost/optional/optional_fwd.hpp>]
  13
  14 [section Synopsis]
  15 ```
  16 namespace boost {
  17
  18 template <class T> class optional ;
  19
  20 template <class T> void swap ( optional<T>& , optional<T>& );
  21
  22 template <class T> struct optional_swap_should_use_default_constructor ;
  23
  24 } // namespace boost
  25 ```
  26
  27 This header only contains declarations.
  28
  29 [endsect]
  30
  31
  32 [endsect]