Implementing generic helpers as metaclasses

[DP News-Robot]

While it wasn’t the main point of the post, I did mention previously the possibility of using metaclasses as generic helpers, and how this can be preferable to using interfaces. An esteemed commentator then suggested the example I gave was far too trivial to be generalised, and in particular, ...http://feeds.feedburner.com/~r/delph...~4/wwt0kXeRfxY

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