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[persistent-data] persistent-data/data-structures/btree_key_value_extractor.h doesn't appear to be used

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So remove
This commit is contained in:
Joe Thornber 2016-02-29 11:12:50 +00:00
parent 286f70ceac
commit 3f6cae4ebc
1 changed files with 0 additions and 39 deletions
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39
persistent-data/data-structures/btree_key_value_extractor.h
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@ -1,39 +0,0 @@
#ifndef PERSISTENT_DATA_DATA_STRUCTURES_BTREE_KEY_VALUE_EXTRACTOR_H
#define PERSISTENT_DATA_DATA_STRUCTURES_BTREE_KEY_VALUE_EXTRACTOR_H
#include "persistent-data/data-structures/btree_damage_visitor.h"
#include <map>
namespace persistent_data {
namespace btree_detail {
template <typename ValueType>
class key_value_extractor {
typedef typename std::map<uint64_t, ValueType> MapType;
public:
key_value_extractor(MapType &map): map_(map) {
}
virtual ~key_value_extractor() {
}
virtual void visit(btree_path const &path, ValueType const &v) {
map_.insert(std::make_pair(path.back(), v));
}
private:
MapType &map_;
};
template <unsigned Levels, typename ValueTraits>
void btree_extract_key_values(btree<Levels, ValueTraits> const &tree,
std::map<uint64_t, typename ValueTraits::value_type> &map) {
typedef key_value_extractor<typename ValueTraits::value_type> KeyValueExtractor;
KeyValueExtractor kve(map);
noop_damage_visitor noop_dv;
btree_detail::btree_damage_visitor<KeyValueExtractor, noop_damage_visitor, Levels, ValueTraits>
v(kve, noop_dv);
tree.visit_depth_first(v);
}
}
}
#endif