wehub-resource-sync
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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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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#pragma once
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#include "paddle/ap/include/axpr/constants.h"
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#include "paddle/ap/include/axpr/method_class.h"
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namespace ap::axpr {
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template <typename ValueT>
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struct NothingMethodClass {
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using This = NothingMethodClass;
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using Self = adt::Nothing;
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adt::Result<ValueT> ToString(const Self&) { return std::string(""); }
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adt::Result<ValueT> Hash(const Self& self) { return static_cast<int64_t>(0); }
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Result<ValueT> EQ(const ValueT& lhs_val, const ValueT& rhs_val) {
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const auto& opt_lhs = lhs_val.template TryGet<adt::Nothing>();
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ADT_RETURN_IF_ERR(opt_lhs);
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return rhs_val.Match([](adt::Nothing) -> ValueT { return true; },
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[](const auto&) -> ValueT { return false; });
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}
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Result<ValueT> NE(const ValueT& lhs_val, const ValueT& rhs_val) {
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const auto& opt_lhs = lhs_val.template TryGet<adt::Nothing>();
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ADT_RETURN_IF_ERR(opt_lhs);
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return rhs_val.Match([](adt::Nothing) -> ValueT { return false; },
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[](const auto&) -> ValueT { return true; });
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}
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};
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template <typename ValueT>
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struct MethodClassImpl<ValueT, adt::Nothing>
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: public NothingMethodClass<ValueT> {};
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template <typename ValueT>
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struct MethodClassImpl<ValueT, TypeImpl<adt::Nothing>>
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: public EmptyMethodClass<ValueT> {};
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} // namespace ap::axpr
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