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Problem: - `constexpr_sum` is implemented using `Array` which means the function needs to be a function template so that the size can be deduced. Solution: - Change the `Array` function argument to a `Span` since `Span` now is `constexpr`.
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/TestSuite.h>
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#include <AK/Array.h>
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static constexpr int constexpr_sum(const Span<const int> span)
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{
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int sum = 0;
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for (auto value : span)
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sum += value;
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return sum;
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}
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TEST_CASE(compile_time_contructible)
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{
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constexpr Array<int, 4> array = { 0, 1, 2, 3 };
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static_assert(array.size() == 4);
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}
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TEST_CASE(compile_time_iterable)
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{
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constexpr Array<int, 8> array = { 0, 1, 2, 3, 4, 5, 6, 7 };
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static_assert(constexpr_sum(array) == 28);
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}
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TEST_MAIN(Array)
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