// 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 #include #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 KVMap; } }