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