// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2014, Oracle and/or its affiliates.
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// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_ITERATORS_HAS_ONE_ELEMENT_HPP
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#define BOOST_GEOMETRY_ITERATORS_HAS_ONE_ELEMENT_HPP
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namespace boost { namespace geometry
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{
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// free function to test if an iterator range has a single element
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template <typename Iterator>
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inline bool has_one_element(Iterator first, Iterator beyond)
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{
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return first != beyond && ++first == beyond;
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}
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ITERATORS_HAS_ONE_ELEMENT_HPP
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