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firstOfPairCompare.I
00001 // Filename: firstOfPairCompare.I
00002 // Created by:  drose (04Apr00)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 
00016 ////////////////////////////////////////////////////////////////////
00017 //     Function: FirstOfPairCompare::Constructor
00018 //       Access: Public
00019 //  Description: 
00020 ////////////////////////////////////////////////////////////////////
00021 template<class ObjectType, class Compare>
00022 INLINE FirstOfPairCompare<ObjectType, Compare>::
00023 FirstOfPairCompare(Compare compare) : _compare(compare) {
00024 }
00025 
00026 ////////////////////////////////////////////////////////////////////
00027 //     Function: FirstOfPairCompare::operator ()
00028 //       Access: Public
00029 //  Description: Returns true if a sorts before b, false otherwise.
00030 ////////////////////////////////////////////////////////////////////
00031 template<class ObjectType, class Compare>
00032 INLINE bool FirstOfPairCompare<ObjectType, Compare>::
00033 operator () (const ObjectType &a, const ObjectType &b) const {
00034   return _compare(a.first, b.first);
00035 }
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