/usr/include/boost/type_erasure/detail/check_map.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | // Boost.TypeErasure library
//
// Copyright 2012 Steven Watanabe
//
// Distributed under the Boost Software License Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// $Id: check_map.hpp 80883 2012-10-06 01:28:13Z steven_watanabe $
#ifndef BOOST_TYPE_ERASURE_DETAIL_CHECK_MAP_HPP_INCLUDED
#define BOOST_TYPE_ERASURE_DETAIL_CHECK_MAP_HPP_INCLUDED
#include <boost/mpl/not.hpp>
#include <boost/mpl/or.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/mpl/set.hpp>
#include <boost/mpl/has_key.hpp>
#include <boost/mpl/find_if.hpp>
#include <boost/mpl/end.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_erasure/detail/get_placeholders.hpp>
#include <boost/type_erasure/deduced.hpp>
#include <boost/type_erasure/static_binding.hpp>
namespace boost {
namespace type_erasure {
namespace detail {
template<class T>
struct is_deduced : boost::mpl::false_ {};
template<class T>
struct is_deduced< ::boost::type_erasure::deduced<T> > : boost::mpl::true_ {};
// returns true if Map has a key for every non-deduced placeholder in Concept
template<class Concept, class Map>
struct check_map {
typedef typename normalize_concept<Concept>::basic basic_components;
// Every non-deduced placeholder referenced in this
// map is indirectly deduced.
typedef typename ::boost::type_erasure::detail::get_placeholder_normalization_map<
Concept>::type placeholder_subs;
typedef typename ::boost::mpl::fold<
placeholder_subs,
::boost::mpl::set0<>,
::boost::mpl::insert<
::boost::mpl::_1,
::boost::mpl::second< ::boost::mpl::_2>
>
>::type indirect_deduced_placeholders;
typedef typename ::boost::mpl::fold<
basic_components,
::boost::mpl::set0<>,
::boost::type_erasure::detail::get_placeholders<
::boost::mpl::_2,
::boost::mpl::_1
>
>::type placeholders;
typedef typename ::boost::is_same<
typename ::boost::mpl::find_if<
placeholders,
::boost::mpl::not_<
::boost::mpl::or_<
::boost::type_erasure::detail::is_deduced< ::boost::mpl::_1>,
::boost::mpl::has_key<Map, ::boost::mpl::_1>,
::boost::mpl::has_key<indirect_deduced_placeholders, ::boost::mpl::_1>
>
>
>::type,
typename ::boost::mpl::end<placeholders>::type
>::type type;
};
template<class Concept, class Map>
struct check_map<Concept, ::boost::type_erasure::static_binding<Map> > :
check_map<Concept, Map>
{};
}
}
}
#endif
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