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// Range v3 library
//
// Copyright Eric Niebler 2020
//
// Use, modification and distribution is subject to 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)
//
// Project home: https://github.com/ericniebler/range-v3
#include <range/v3/functional/on.hpp>
#include <range/v3/functional/concepts.hpp>
#include "../simple_test.hpp"
using namespace ranges;
int square(int i) { return i * i; }
int main()
{
auto fn = on(std::multiplies<>{}, square);
CHECK(fn(2, 4) == 64);
return ::test_result();
}
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