50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
// Boost.Geometry
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// Copyright (c) 2023 Barend Gehrels, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (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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#ifndef BOOST_GEOMETRY_UTIL_FOR_EACH_WITH_INDEX_HPP
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#define BOOST_GEOMETRY_UTIL_FOR_EACH_WITH_INDEX_HPP
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/range/size_type.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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// Utility function to implement a Kotlin like range based for loop
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template <typename Container, typename Function>
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inline void for_each_with_index(Container const& container, Function func)
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{
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typename boost::range_size<Container>::type index = 0;
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for (auto it = boost::begin(container); it != boost::end(container); ++it, ++index)
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{
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func(index, *it);
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}
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}
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template <typename Container, typename Function>
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inline void for_each_with_index(Container& container, Function func)
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{
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typename boost::range_size<Container>::type index = 0;
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for (auto it = boost::begin(container); it != boost::end(container); ++it, ++index)
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{
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func(index, *it);
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}
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}
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} // namespace detail
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#endif // DOXYGEN_NO_DETAIL
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_UTIL_FOR_EACH_WITH_INDEX_HPP
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