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Copy pathstring_builder.h
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51 lines (41 loc) · 1.6 KB
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// 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. template <typename T>
#ifndef ARROW_UTIL_STRING_BUILDER_H
#define ARROW_UTIL_STRING_BUILDER_H
#include <sstream>
#include <string>
#include <utility>
namespace arrow {
namespace util {
template <typename Head>
void StringBuilderRecursive(std::stringstream& stream, Head&& head) {
stream << head;
}
template <typename Head, typename... Tail>
void StringBuilderRecursive(std::stringstream& stream, Head&& head, Tail&&... tail) {
StringBuilderRecursive(stream, std::forward<Head>(head));
StringBuilderRecursive(stream, std::forward<Tail>(tail)...);
}
template <typename... Args>
std::string StringBuilder(Args&&... args) {
std::stringstream stream;
StringBuilderRecursive(stream, std::forward<Args>(args)...);
return stream.str();
}
} // namespace util
} // namespace arrow
#endif // ARROW_UTIL_STRING_BUILDER_H