[squeak-dev] Re: Unload Traits script (response to edgar)
Trygve Reenskaug
trygver at ifi.uio.no
Wed May 14 17:37:36 UTC 2008
On 14.05.2008 13:01, Andreas Raab wrote:
> Trygve Reenskaug wrote:
>> A role is played by an object at run time. This object can be an
>> instance of any class that implements its trait. So the trait is tied
>> to a fundamental abstraction that is on the same level as the class.
>
> Interesting. But aren't you describing interfaces? I agree that
> interfaces which describe the protocol required by a role can be a
> useful; I am not convinced that traits (which are effectively used as
> the implementation itself) are nearly as helpful in this context.
>
No, I am describing the methods that drive the object interaction.
--Trygve
--
Trygve Reenskaug mailto: trygver at ifi.uio.no
Morgedalsvn. 5A http://heim.ifi.uio.no/~trygver
N-0378 Oslo Tel: (+47) 22 49 57 27
Norway
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