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53 lines
1.5 KiB
53 lines
1.5 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
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// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
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// Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, 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_VIEWS_IDENTITY_VIEW_HPP |
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#define BOOST_GEOMETRY_VIEWS_IDENTITY_VIEW_HPP |
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#include <boost/range.hpp> |
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namespace boost { namespace geometry |
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{ |
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/*! |
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\brief View on a range, not modifying anything |
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\tparam Range original range |
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\ingroup views |
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*/ |
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template <typename Range> |
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struct identity_view |
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{ |
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typedef typename boost::range_iterator<Range const>::type const_iterator; |
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typedef typename boost::range_iterator<Range>::type iterator; |
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explicit inline identity_view(Range& r) |
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: m_range(r) |
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{} |
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inline const_iterator begin() const { return boost::begin(m_range); } |
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inline const_iterator end() const { return boost::end(m_range); } |
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inline iterator begin() { return boost::begin(m_range); } |
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inline iterator end() { return boost::end(m_range); } |
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private : |
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Range& m_range; |
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}; |
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}} // namespace boost::geometry |
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#endif // BOOST_GEOMETRY_VIEWS_IDENTITY_VIEW_HPP
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