// Filename: firstOfPairCompare.I
// Created by:  drose (04Apr00)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University.  All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license.  You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////
//     Function: FirstOfPairCompare::Constructor
//       Access: Public
//  Description: 
////////////////////////////////////////////////////////////////////
template<class ObjectType, class Compare>
INLINE FirstOfPairCompare<ObjectType, Compare>::
FirstOfPairCompare(Compare compare) : _compare(compare) {
}

////////////////////////////////////////////////////////////////////
//     Function: FirstOfPairCompare::operator ()
//       Access: Public
//  Description: Returns true if a sorts before b, false otherwise.
////////////////////////////////////////////////////////////////////
template<class ObjectType, class Compare>
INLINE bool FirstOfPairCompare<ObjectType, Compare>::
operator () (const ObjectType &a, const ObjectType &b) const {
  return _compare(a.first, b.first);
}