Let’s say I have the following module:
[…]
Is there a way to enforce that the ‘children’ method is understood in
any class which includes this module? Or do I simply rely on a
comment, as above
There are ways (you can play around with Parenting.inherited and do
method rewrites), yet I suspect you’re better off with a comment. All
methods for ensuring this have limitations that will block some cases
of valid code (though that may be resolved by adding a sort of
say-that-it-is-OK method).
Eivind.
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