//  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/memtablerep.h"

#include "rocksdb/slice.h"

#include "util/coding.h"

namespace ROCKSDB_NAMESPACE {

namespace stl_wrappers {

class Base {

 protected:

  const MemTableRep::KeyComparator& compare_;

  explicit Base(const MemTableRep::KeyComparator& compare)

      : compare_(compare) {}

};

struct Compare : private Base {

  explicit Compare(const MemTableRep::KeyComparator& compare) : Base(compare) {}

  inline bool operator()(const char* a, const char* b) const {

    return compare_(a, b) < 0;

  }

};

}  // namespace stl_wrappers

}  // namespace ROCKSDB_NAMESPACE