Boost C++ Libraries

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Header <boost/algorithm/cxx11/one_of.hpp>

Test ranges to see if only one element matches a value or predicate.

Marshall Clow

namespace boost {
  namespace algorithm {
    template<typename InputIterator, typename Predicate> 
      BOOST_CXX14_CONSTEXPR bool 
      one_of(InputIterator, InputIterator, Predicate);
    template<typename Range, typename Predicate> 
      BOOST_CXX14_CONSTEXPR bool one_of(const Range &, Predicate);
    template<typename InputIterator, typename V> 
      BOOST_CXX14_CONSTEXPR bool 
      one_of_equal(InputIterator, InputIterator, const V &);
    template<typename Range, typename V> 
      BOOST_CXX14_CONSTEXPR bool one_of_equal(const Range &, const V &);
  }
}

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