49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
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/*!
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@file
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Documents the `BOOST_HANA_ADAPT_ADT` macro.
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@copyright Louis Dionne 2013-2016
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_HANA_FWD_ADAPT_ADT_HPP
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#define BOOST_HANA_FWD_ADAPT_ADT_HPP
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#include <boost/hana/config.hpp>
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BOOST_HANA_NAMESPACE_BEGIN
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// Note:
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// The weird definition as a variable seems to exploit a glitch in Doxygen
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// which makes the macro appear in the related objects of Struct (as we
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// want it to).
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//! Defines a model of `Struct` with the given accessors.
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//! @ingroup group-Struct
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//!
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//! Using this macro at _global scope_ will define a model of the `Struct`
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//! concept for the given type. This can be used to easily adapt existing
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//! user-defined types in a ad-hoc manner. Unlike `BOOST_HANA_ADAPT_STRUCT`,
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//! this macro requires specifying the way to retrieve each member by
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//! providing a function that does the extraction.
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//!
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//! @note
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//! This macro only works if the tag of the user-defined type `T` is `T`
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//! itself. This is the case unless you specifically asked for something
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//! different; see `tag_of`'s documentation.
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//!
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//!
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//! Example
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//! -------
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//! @include example/adapt_adt.cpp
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#ifdef BOOST_HANA_DOXYGEN_INVOKED
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auto BOOST_HANA_ADAPT_ADT(...) = ;
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#define BOOST_HANA_ADAPT_ADT(Name, ...) see documentation
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#else
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// defined in <boost/hana/adapt_adt.hpp>
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#endif
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BOOST_HANA_NAMESPACE_END
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#endif // !BOOST_HANA_FWD_ADAPT_ADT_HPP
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