Cox, Stuart TRAN:EX wrote:
Some operations (procedures/functions) just go naturally with Classes but don't belong to any particular instance of that class. An example might be calculating the area of overlap between two geographic polygons (instances of the class) where the function returning the overlap area is a class function rather than an instance function/method of either of the two polygons. Contrived, but imaginable.
Oh, I can imagine such methods also. And I've used them before. I just don't see the big advantage over having them be global functions/procedures located in the same unit as the class they operate on. So, as often as not, I go and create the global functions instead. Never could decide either way to go.
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