// 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 #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; } }