Hola Pablo, This technique is not something new, it was reported at least +20 years ago. You can read about it in a SO answer I wrote; http://stackoverflow.com/a/14202534 where there is a link to a foundational paper. Let us know what are you trying to do. Cheers, Hernán 2017-03-03 10:07 GMT-03:00 Pablo R. Digonzelli <pdigonzelli@gmail.com>:
Hi all. I need to know how can i do if i want add new behaviour ( a new method ) to a single instance object of a class. It means not to add new selector to the class but i want a single instance responds that mesage. Where can i read about it? Tia
------------------------------ *Ing. Pablo Digonzelli* Software Solutions IP-Solutiones SRL Dividato SA 25 de Mayo 521 San Miguel de Tucumán Email: pdigonzelli@softsargentina.com pdigonzelli@gmail.com Cel: 5493815982714