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// Copyright 2020 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11.hpp>
#include <boost/core/lightweight_test_trait.hpp>
using namespace boost::mp11;
template<class L, template<class...> class P> using is_sorted = mp_none_of<mp_pairwise_fold_q<L, mp_bind<P, _2, _1>>, mp_to_bool>;
int main()
{
BOOST_TEST_TRAIT_TRUE((is_sorted<mp_list<mp_int<0>, mp_int<0>, mp_int<1>, mp_int<3>, mp_int<3>, mp_int<7>>, mp_less>));
BOOST_TEST_TRAIT_FALSE((is_sorted<mp_list<mp_int<0>, mp_int<0>, mp_int<1>, mp_int<3>, mp_int<3>, mp_int<2>>, mp_less>));
return boost::report_errors();
}
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