1 /*! 2 @file 3 Forward declares `boost::hana::size`. 4 5 @copyright Louis Dionne 2013-2017 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 34