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// string_map.h
/* Copyright 2012 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "mongo/base/string_data.h"
#include "mongo/util/unordered_fast_key_table.h"
namespace mongo {
typedef StringData::Hasher StringMapDefaultHash;
struct StringMapDefaultEqual {
bool operator()( const StringData& a, const StringData& b ) const {
return a == b;
}
};
struct StringMapDefaultConvertor {
StringData operator()( const std::string& s ) const {
return StringData( s );
}
};
struct StringMapDefaultConvertorOther {
string operator()( const StringData& s ) const {
return s.toString();
}
};
template< typename V >
class StringMap : public UnorderedFastKeyTable< StringData, // K_L
std::string, // K_S
V, // V
StringMapDefaultHash,
StringMapDefaultEqual,
StringMapDefaultConvertor,
StringMapDefaultConvertorOther > {
};
}
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