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firstOfPairLess.h
1 // Filename: firstOfPairLess.h
2 // Created by: drose (27Jun01)
3 //
4 ////////////////////////////////////////////////////////////////////
5 //
6 // PANDA 3D SOFTWARE
7 // Copyright (c) Carnegie Mellon University. All rights reserved.
8 //
9 // All use of this software is subject to the terms of the revised BSD
10 // license. You should have received a copy of this license along
11 // with this source code in a file named "LICENSE."
12 //
13 ////////////////////////////////////////////////////////////////////
14 
15 #ifndef FIRSTOFPAIRLESS_H
16 #define FIRSTOFPAIRLESS_H
17 
18 #include "pandabase.h"
19 
20 ////////////////////////////////////////////////////////////////////
21 // Class : FirstOfPairLess
22 // Description : An STL function object class, this is intended to be
23 // used on any ordered collection of pairs of objects.
24 // It uses < to compare the first elements of the pair.
25 ////////////////////////////////////////////////////////////////////
26 template<class ObjectType>
28 public:
29  INLINE bool operator () (const ObjectType &a, const ObjectType &b) const;
30 };
31 
32 #include "firstOfPairLess.I"
33 
34 #endif
35 
bool operator()(const ObjectType &a, const ObjectType &b) const
Returns true if a sorts before b, false otherwise.
An STL function object class, this is intended to be used on any ordered collection of pairs of objec...