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29 lines
1.1 KiB
C++
29 lines
1.1 KiB
C++
// Copyright (c) 2025 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 <iostream>
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/// @brief Defines a macro to disable log output.
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/// @details This macro returns a `NullStream` object, and all content passed via `<<` is ignored.
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/// It is designed to keep the code compilable without modifying log call statement.
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/// @param level The log level (ignored).
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class NullStream {
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public:
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template <typename T>
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NullStream& operator<<(const T&) { return *this; }
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};
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#define VLOG(level) NullStream()
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