ceph/src/boost/libs/hana/include/boost/hana/fwd/size.hpp

   1 /*!
   2 @file
   3 Forward declares `boost::hana::size`.
   4
   5 @copyright Louis Dionne 2013-2016
   6 Distributed under the Boost Software License, Version 1.0.
   7 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   8  */
   9
  10 #ifndef BOOST_HANA_FWD_SIZE_HPP
  11 #define BOOST_HANA_FWD_SIZE_HPP
  12
  13 #include <boost/hana/config.hpp>
  14 #include <boost/hana/fwd/length.hpp>
  15
  16
  17 BOOST_HANA_NAMESPACE_BEGIN
  18     //! Equivalent to `length`; provided for consistency with the
  19     //! standard library.
  20     //! @ingroup group-Foldable
  21     //!
  22     //! This method is an alias to `length` provided for convenience and
  23     //! consistency with the standard library. As an alias, `size` is not
  24     //! tag-dispatched on its own and `length` should be customized instead.
  25     //!
  26     //!
  27     //! Example
  28     //! -------
  29     //! @include example/size.cpp
  30     constexpr auto size = hana::length;
  31 BOOST_HANA_NAMESPACE_END
  32
  33 #endif // !BOOST_HANA_FWD_SIZE_HPP