47 lines
2.8 KiB
C++
47 lines
2.8 KiB
C++
/*
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* BooleanParam.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "flow/Trace.h"
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#define FDB_DECLARE_BOOLEAN_PARAM(ParamName) \
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class ParamName { \
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bool value; \
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\
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public: \
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explicit constexpr ParamName(bool value) : value(value) {} \
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constexpr operator bool() const { return value; } \
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static ParamName const True, False; \
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constexpr void set(bool value) { this->value = value; } \
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}; \
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template <> \
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struct Traceable<ParamName> : std::true_type { \
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static std::string toString(ParamName const& value) { return Traceable<bool>::toString(value); } \
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}
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#define FDB_DEFINE_BOOLEAN_PARAM(ParamName) \
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ParamName const ParamName::True = ParamName(true); \
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ParamName const ParamName::False = ParamName(false)
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#define FDB_BOOLEAN_PARAM(ParamName) \
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FDB_DECLARE_BOOLEAN_PARAM(ParamName); \
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FDB_DEFINE_BOOLEAN_PARAM(ParamName)
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