"multiple inheritence" / behavior

[Manuel Guesdon]

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Hi,

I'dl like to have a common set of methods used by different objects but without 
letting them inherit from the same class
and without adding a category to one of the common inherited class.
I've seen behavior methods which seems to be what I need but there are warnings 
in behavior.h.
So, is there another method to make this ? If not, is behaviour will be 
supported for a long time ? Is there any
problem if I add methods by this way in classes which don't have exactly the 
same ivars (or ivars order) if I don't use
these ivars directly ?

Thank you .

Manuel