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// Copyright 2022 The Abseil Authors
//
// Licensed 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
//
// https://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.
#ifndef Y_ABSL_STRINGS_INTERNAL_STRINGIFY_SINK_H_
#define Y_ABSL_STRINGS_INTERNAL_STRINGIFY_SINK_H_
#include <util/generic/string.h>
#include <type_traits>
#include <utility>
#include "y_absl/strings/string_view.h"
namespace y_absl {
Y_ABSL_NAMESPACE_BEGIN
namespace strings_internal {
class StringifySink {
public:
void Append(size_t count, char ch);
void Append(string_view v);
// Support `y_absl::Format(&sink, format, args...)`.
friend void AbslFormatFlush(StringifySink* sink, y_absl::string_view v) {
sink->Append(v);
}
private:
template <typename T>
friend string_view ExtractStringification(StringifySink& sink, const T& v);
TString buffer_;
};
template <typename T>
string_view ExtractStringification(StringifySink& sink, const T& v) {
AbslStringify(sink, v);
return sink.buffer_;
}
} // namespace strings_internal
Y_ABSL_NAMESPACE_END
} // namespace y_absl
#endif // Y_ABSL_STRINGS_INTERNAL_STRINGIFY_SINK_H_
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