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+/*
+ Copyright (c) Marshall Clow 2008-2012.
+
+ Distributed under the Boost Software License, Version 1.0. (See accompanying
+ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+ For more information, see http://www.boost.org
+*/
+
+/// \file
+/// \brief Test ranges to see if any elements match a value or predicate.
+/// \author Marshall Clow
+
+#ifndef BOOST_ALGORITHM_ANY_OF_HPP
+#define BOOST_ALGORITHM_ANY_OF_HPP
+
+#include <algorithm> // for std::any_of, if available
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
+
+namespace boost { namespace algorithm {
+
+// Use the C++11 versions of any_of if it is available
+#if __cplusplus >= 201103L
+using std::any_of; // Section 25.2.2
+#else
+/// \fn any_of ( InputIterator first, InputIterator last, Predicate p )
+/// \return true if any of the elements in [first, last) satisfy the predicate
+/// \note returns false on an empty range
+///
+/// \param first The start of the input sequence
+/// \param last One past the end of the input sequence
+/// \param p A predicate for testing the elements of the sequence
+///
+template<typename InputIterator, typename Predicate>
+bool any_of ( InputIterator first, InputIterator last, Predicate p )
+{
+ for ( ; first != last; ++first )
+ if ( p(*first))
+ return true;
+ return false;
+}
+#endif
+
+/// \fn any_of ( const Range &r, Predicate p )
+/// \return true if any elements in the range satisfy the predicate 'p'
+/// \note returns false on an empty range
+///
+/// \param r The input range
+/// \param p A predicate for testing the elements of the range
+///
+template<typename Range, typename Predicate>
+bool any_of ( const Range &r, Predicate p )
+{
+ return boost::algorithm::any_of (boost::begin (r), boost::end (r), p);
+}
+
+/// \fn any_of_equal ( InputIterator first, InputIterator last, const V &val )
+/// \return true if any of the elements in [first, last) are equal to 'val'
+/// \note returns false on an empty range
+///
+/// \param first The start of the input sequence
+/// \param last One past the end of the input sequence
+/// \param val A value to compare against
+///
+template<typename InputIterator, typename V>
+bool any_of_equal ( InputIterator first, InputIterator last, const V &val )
+{
+ for ( ; first != last; ++first )
+ if ( val == *first )
+ return true;
+ return false;
+}
+
+/// \fn any_of_equal ( const Range &r, const V &val )
+/// \return true if any of the elements in the range are equal to 'val'
+/// \note returns false on an empty range
+///
+/// \param r The input range
+/// \param val A value to compare against
+///
+template<typename Range, typename V>
+bool any_of_equal ( const Range &r, const V &val )
+{
+ return boost::algorithm::any_of_equal (boost::begin (r), boost::end (r), val);
+}
+
+}} // namespace boost and algorithm
+
+#endif // BOOST_ALGORITHM_ANY_OF_HPP