| 1 | /*! |
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| 2 | @file |
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| 3 | Forward declares `boost::hana::size`. |
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| 4 | |
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| 5 | Copyright Louis Dionne 2013-2022 |
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| 6 | Distributed under the Boost Software License, Version 1.0. |
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| 7 | (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef BOOST_HANA_FWD_SIZE_HPP |
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| 11 | #define BOOST_HANA_FWD_SIZE_HPP |
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| 12 | |
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| 13 | #include <boost/hana/config.hpp> |
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| 14 | #include <boost/hana/fwd/length.hpp> |
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| 15 | |
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| 16 | |
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| 17 | namespace boost { namespace hana { |
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| 18 | //! Equivalent to `length`; provided for consistency with the |
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| 19 | //! standard library. |
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| 20 | //! @ingroup group-Foldable |
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| 21 | //! |
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| 22 | //! This method is an alias to `length` provided for convenience and |
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| 23 | //! consistency with the standard library. As an alias, `size` is not |
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| 24 | //! tag-dispatched on its own and `length` should be customized instead. |
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| 25 | //! |
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| 26 | //! |
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| 27 | //! Example |
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| 28 | //! ------- |
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| 29 | //! @include example/size.cpp |
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| 30 | BOOST_HANA_INLINE_VARIABLE constexpr auto size = hana::length; |
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| 31 | }} // end namespace boost::hana |
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| 32 | |
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| 33 | #endif // !BOOST_HANA_FWD_SIZE_HPP |
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| 34 | |
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