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// Range v3 library
//
// Copyright Eric Niebler 2014-present
//
// 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)
#include <random>
#include <vector>
#include <range/v3/core.hpp>
#include <range/v3/view/iota.hpp>
#include <range/v3/view/repeat_n.hpp>
#include <range/v3/view/for_each.hpp>
#include <range/v3/view/take.hpp>
#include <range/v3/algorithm/shuffle.hpp>
#include <range/v3/algorithm/equal.hpp>
#include <range/v3/algorithm/is_sorted.hpp>
#include <range/v3/action/shuffle.hpp>
#include <range/v3/action/sort.hpp>
#include <range/v3/action/unique.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
int main()
{
using namespace ranges;
std::mt19937 gen;
// [1,2,2,3,3,3,4,4,4,4,5,5,5,5,5,...]
auto v =
views::for_each(views::ints(1,100), [](int i){
return yield_from(views::repeat_n(i,i));
}) | to<std::vector>();
check_equal(views::take(v, 15), {1,2,2,3,3,3,4,4,4,4,5,5,5,5,5});
v |= actions::shuffle(gen);
CHECK(!is_sorted(v));
v |= actions::sort | actions::unique;
CHECK(equal(v, views::ints(1,100)));
return ::test_result();
}
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