/usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/util
Edit: /usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/util/compare.h (1981B)
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include
#include
#include
#include "arrow/util/macros.h"
namespace arrow {
namespace util {
/// CRTP helper for declaring equality comparison. Defines operator== and operator!=
template
class EqualityComparable {
public:
~EqualityComparable() {
static_assert(
std::is_same().Equals(std::declval())),
bool>::value,
"EqualityComparable depends on the method T::Equals(const T&) const");
}
template
bool Equals(const std::shared_ptr& other, Extra&&... extra) const {
if (other == NULLPTR) {
return false;
}
return cast().Equals(*other, std::forward(extra)...);
}
struct PtrsEqual {
bool operator()(const std::shared_ptr& l, const std::shared_ptr& r) const {
return l->Equals(r);
}
};
bool operator==(const T& other) const { return cast().Equals(other); }
bool operator!=(const T& other) const { return !(cast() == other); }
private:
const T& cast() const { return static_cast(*this); }
};
} // namespace util
} // namespace arrow