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Revert "externals: Update boost to 1.72 and add Boost Context"
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618 changed files with 14262 additions and 96298 deletions
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boost/mp11/detail/mp_map_find.hpp
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boost/mp11/detail/mp_map_find.hpp
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#ifndef BOOST_MP11_DETAIL_MP_MAP_FIND_HPP_INCLUDED
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#define BOOST_MP11_DETAIL_MP_MAP_FIND_HPP_INCLUDED
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// Copyright 2015 Peter Dimov.
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//
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// Distributed under the Boost Software License, Version 1.0.
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//
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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#include <boost/mp11/utility.hpp>
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namespace boost
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{
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namespace mp11
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{
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// mp_map_find
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namespace detail
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{
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template<class M, class K> struct mp_map_find_impl;
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template<template<class...> class M, class... T, class K> struct mp_map_find_impl<M<T...>, K>
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{
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using U = mp_inherit<mp_identity<T>...>;
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template<template<class...> class L, class... U> static mp_identity<L<K, U...>> f( mp_identity<L<K, U...>>* );
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static mp_identity<void> f( ... );
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using V = decltype( f((U*)0) );
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using type = typename V::type;
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};
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} // namespace detail
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template<class M, class K> using mp_map_find = typename detail::mp_map_find_impl<M, K>::type;
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} // namespace mp11
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} // namespace boost
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#endif // #ifndef BOOST_MP11_DETAIL_MP_MAP_FIND_HPP_INCLUDED
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