d616ebea23
Summary: Closes https://github.com/facebook/rocksdb/pull/2226 Differential Revision: D4967547 Pulled By: siying fbshipit-source-id: dd3b58ae1e7a106ab6bb6f37ab5c88575b125ab4
37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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// This source code is also licensed under the GPLv2 license found in the
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// COPYING file in the root directory of this source tree.
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#pragma once
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#include <map>
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#include <string>
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#include "rocksdb/comparator.h"
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#include "rocksdb/slice.h"
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#include "util/coding.h"
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#include "util/murmurhash.h"
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namespace rocksdb {
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namespace stl_wrappers {
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struct LessOfComparator {
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explicit LessOfComparator(const Comparator* c = BytewiseComparator())
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: cmp(c) {}
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bool operator()(const std::string& a, const std::string& b) const {
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return cmp->Compare(Slice(a), Slice(b)) < 0;
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}
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bool operator()(const Slice& a, const Slice& b) const {
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return cmp->Compare(a, b) < 0;
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}
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const Comparator* cmp;
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};
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typedef std::map<std::string, std::string, LessOfComparator> KVMap;
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}
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}
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