Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Header <boost/algorithm/cxx14/equal.hpp>

Test ranges to if they are equal.

Marshall Clow

namespace boost {
  namespace algorithm {
    template<typename InputIterator1, typename InputIterator2, 
             typename BinaryPredicate> 
      BOOST_CXX14_CONSTEXPR bool 
      equal(InputIterator1, InputIterator1, InputIterator2, InputIterator2, 
            BinaryPredicate);
    template<typename InputIterator1, typename InputIterator2> 
      BOOST_CXX14_CONSTEXPR bool 
      equal(InputIterator1, InputIterator1, InputIterator2, InputIterator2);
  }
}