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48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
// Range v3 library
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//
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// Copyright Eric Niebler 2014-present
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//
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// Use, modification and distribution is subject to the
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// Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <array>
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#include <vector>
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#include <range/v3/core.hpp>
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#include <range/v3/view/iota.hpp>
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#include <range/v3/algorithm/copy.hpp>
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#include <range/v3/algorithm/move.hpp>
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#include <range/v3/algorithm/equal.hpp>
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#include <range/v3/action/stride.hpp>
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#include "../simple_test.hpp"
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#include "../test_utils.hpp"
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int main()
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{
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using namespace ranges;
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auto v = views::ints(0,100) | to<std::vector>();
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auto v2 = v | copy | actions::stride(10);
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CHECK(size(v2) == 10u);
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CPP_assert(same_as<decltype(v), decltype(v2)>);
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::check_equal(v2, {0,10,20,30,40,50,60,70,80,90});
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v2 = v2 | move | actions::stride(4);
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::check_equal(v2, {0,40,80});
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v2 |= actions::stride(2);
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::check_equal(v2, {0,80});
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v2 |= actions::stride(1);
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::check_equal(v2, {0,80});
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v2 |= actions::stride(10);
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::check_equal(v2, {0});
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auto & v3 = actions::stride(v, 30);
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CHECK(&v3 == &v);
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::check_equal(v, {0,30,60,90});
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return ::test_result();
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}
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