Em Sex, 2009-03-06 às 18:51 +0100, TSa escreveu:
> I know that the use of 'is also' is called monkey patching but I can't
> understand why this is regarded as a bad thing. Having a class assembled
> from multiple modules is a rather normal affair.

You're describing Roles here, which is something you can do. First
declare the roles, than declare the class being composing with that
roles.

Monkey patching is a bad thing because it is "action at a distance",
code that already seen the class will, without any notice, start dealing
with a different behavior. Subclassing and composition are the proper
way of dealing with that, that's why Perl 6 allows you to lexically
replace the meaning of a name...

daniel

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