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// Boost.Geometry Index
//
// Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
//
// Use, modification and distribution is subject to 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)
#ifndef BOOST_GEOMETRY_INDEX_DETAIL_TRANSLATOR_HPP
#define BOOST_GEOMETRY_INDEX_DETAIL_TRANSLATOR_HPP
namespace boost { namespace geometry { namespace index {
namespace detail {
template <typename IndexableGetter, typename EqualTo>
struct translator
: public IndexableGetter
, public EqualTo
{
typedef typename IndexableGetter::result_type result_type;
translator(IndexableGetter const& i, EqualTo const& e)
: IndexableGetter(i), EqualTo(e)
{}
template <typename Value>
result_type operator()(Value const& value) const
{
return IndexableGetter::operator()(value);
}
template <typename Value>
bool equals(Value const& v1, Value const& v2) const
{
return EqualTo::operator()(v1, v2);
}
};
template <typename IndexableGetter>
struct result_type
{
typedef typename IndexableGetter::result_type type;
};
template <typename IndexableGetter>
struct indexable_type
{
typedef typename boost::remove_const<
typename boost::remove_reference<
typename result_type<IndexableGetter>::type
>::type
>::type type;
};
} // namespace detail
}}} // namespace boost::geometry::index
#endif // BOOST_GEOMETRY_INDEX_DETAIL_TRANSLATOR_HPP
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