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#------------------------------------------------------------------------ # Version 1.04 Date: 2007/09/28 #------------------------------------------------------------------------ * Added the has_instance() method to return an existing instance without creating a new one. * General cleanup of code, documentation and tests. * Changed licence from Perl Artistic to the same terms as Perl itself (e.g. Artistic 2.0/GPL) #------------------------------------------------------------------------ # Version 1.03 Date: 1999/01/19 #------------------------------------------------------------------------ * Incorporated patches from Andreas Koenig to inline calculation of $instance variable. This results in a speedup of around 35%. * Added _new_instance() constructor which is called the first time _instance() is called. This can be overloaded in derived classes to provide more specific object initialisation. * Updated documentation accordingly. #------------------------------------------------------------------------ # Version 1.02 Date: 1998/04/16 #------------------------------------------------------------------------ * Fixed minor typos and corrected example in documentation. #------------------------------------------------------------------------ # Version 1.01 Date: 1998/02/10 #------------------------------------------------------------------------ * Minor documentation changes #------------------------------------------------------------------------ # Version 1.00 Date: 1998/02/10 #------------------------------------------------------------------------ * Initial revision