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On Sep 24, 2010, at 8:08 PM, Rebel Neurofog wrote:

> So I wonder, is it wrong and undesirable or simply uncommon but pretty fine.

Nothing wrong with it, using closures is a fine, if expensive, way of doing things.

> Please let me know if this technic is already described somewhere else.

Programming in Lua
Part II. Tables and Objects
Chapter 16. Object-Oriented Programming
16.4 - Privacy