mirror of
https://github.com/aykhans/AzSuicideDataVisualization.git
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91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <iosfwd>
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#include "arrow/testing/gtest_util.h"
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#include "arrow/util/iterator.h"
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namespace arrow {
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struct TestInt {
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TestInt();
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TestInt(int i); // NOLINT runtime/explicit
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int value;
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bool operator==(const TestInt& other) const;
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friend std::ostream& operator<<(std::ostream& os, const TestInt& v);
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};
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template <>
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struct IterationTraits<TestInt> {
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static TestInt End() { return TestInt(); }
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static bool IsEnd(const TestInt& val) { return val == IterationTraits<TestInt>::End(); }
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};
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struct TestStr {
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TestStr();
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TestStr(const std::string& s); // NOLINT runtime/explicit
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TestStr(const char* s); // NOLINT runtime/explicit
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explicit TestStr(const TestInt& test_int);
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std::string value;
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bool operator==(const TestStr& other) const;
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friend std::ostream& operator<<(std::ostream& os, const TestStr& v);
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};
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template <>
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struct IterationTraits<TestStr> {
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static TestStr End() { return TestStr(); }
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static bool IsEnd(const TestStr& val) { return val == IterationTraits<TestStr>::End(); }
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};
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std::vector<TestInt> RangeVector(unsigned int max, unsigned int step = 1);
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template <typename T>
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inline Iterator<T> VectorIt(std::vector<T> v) {
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return MakeVectorIterator<T>(std::move(v));
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}
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template <typename T>
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inline Iterator<T> PossiblySlowVectorIt(std::vector<T> v, bool slow = false) {
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auto iterator = MakeVectorIterator<T>(std::move(v));
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if (slow) {
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return MakeTransformedIterator<T, T>(std::move(iterator),
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[](T item) -> Result<TransformFlow<T>> {
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SleepABit();
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return TransformYield(item);
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});
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} else {
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return iterator;
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}
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}
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template <typename T>
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inline void AssertIteratorExhausted(Iterator<T>& it) {
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ASSERT_OK_AND_ASSIGN(T next, it.Next());
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ASSERT_TRUE(IsIterationEnd(next));
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}
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Transformer<TestInt, TestStr> MakeFilter(std::function<bool(TestInt&)> filter);
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} // namespace arrow
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