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rocksdb

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RocksDB for Erlang

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rocksdb deps rocksdb util kv_map.h
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deps/rocksdb/util/kv_map.h 

//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.

//  This source code is licensed under both the GPLv2 (found in the

//  COPYING file in the root directory) and Apache 2.0 License

//  (found in the LICENSE.Apache file in the root directory).

#pragma once



#include <map>

#include <string>



#include "rocksdb/comparator.h"

#include "rocksdb/slice.h"

#include "util/coding.h"

#include "util/murmurhash.h"



namespace rocksdb {

namespace stl_wrappers {



struct LessOfComparator {

  explicit LessOfComparator(const Comparator* c = BytewiseComparator())

      : cmp(c) {}



  bool operator()(const std::string& a, const std::string& b) const {

    return cmp->Compare(Slice(a), Slice(b)) < 0;

  }

  bool operator()(const Slice& a, const Slice& b) const {

    return cmp->Compare(a, b) < 0;

  }



  const Comparator* cmp;

};



typedef std::map<std::string, std::string, LessOfComparator> KVMap;

}

}