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rust-rocksdb/memtable/stl_wrappers.h

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// 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