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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "searchiterator.h"
namespace search::queryeval {
/**
* Convenience for constructing MultiSearch::Children
* holding them or passing ownership around.
**/
class ChildrenIterators {
private:
std::vector<SearchIterator::UP> _data;
public:
ChildrenIterators(std::vector<SearchIterator::UP> data)
: _data(std::move(data)) {}
ChildrenIterators(ChildrenIterators && other) = default;
// convenience constructors for unit tests:
template <typename... Args>
ChildrenIterators(SearchIterator::UP a, Args&&... args) {
_data.reserve(1 + sizeof...(Args));
_data.push_back(std::move(a));
(_data.emplace_back(std::forward<Args>(args)), ...);
}
template <typename... Args>
ChildrenIterators(SearchIterator *a, Args&&... args) {
_data.reserve(1 + sizeof...(Args));
_data.emplace_back(a);
(_data.emplace_back(std::forward<Args>(args)), ...);
}
operator std::vector<SearchIterator::UP> () && {
return std::move(_data);
}
};
} // namespace
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