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// matcher.h
/* Matcher is our boolean expression evaluator for "where" clauses */
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "mongo/db/jsobj.h"
namespace mongo {
class Cursor;
class CoveredIndexMatcher;
class FieldRangeVector;
struct element_lt {
bool operator()(const BSONElement& l, const BSONElement& r) const {
int x = (int) l.canonicalType() - (int) r.canonicalType();
if ( x < 0 ) return true;
else if ( x > 0 ) return false;
return compareElementValues(l,r) < 0;
}
};
}
#include "mongo/db/matcher/matcher.h"
namespace mongo {
//typedef MatcherOld Matcher;
typedef Matcher2 Matcher;
}
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