rocksdb/memtable/stl_wrappers.h

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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
// This source code is also licensed under the GPLv2 license found in the
// COPYING file in the root directory of this source tree.
#pragma once
#include <map>
#include <string>
#include "rocksdb/comparator.h"
#include "rocksdb/memtablerep.h"
#include "rocksdb/slice.h"
#include "util/coding.h"
#include "util/murmurhash.h"
namespace rocksdb {
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;
}
};
}
}