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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
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