Use of MagmaSet ?

[Hilaire Fernandes]

Hilaire Fernandes a écrit :
> I am using it that way, but something goes wrong as I can not find with 
> index and duplication occure on the Set.
> 
> Is it the correct way to initialize MagmaSet ? I did not find example of 
> use.
> 
> Hilaire
> 
>    learners := MagmaSet equivalenceAttributes: #(#id).
>    learners
>       addIndex: ((MaSearchStringIndex attribute: #firstName)
>          keySize: 128);
>       addIndex: ((MaSearchStringIndex attribute: #lastName)
>          keySize: 128);
>       addIndex: (MaIntegerIndex attribute: #id).


I forgot to mention I have several learners MagmaSet part of other 
objects. These learners MagmaSet are indexed identically, and some 
learner instance may belong to several such MagmaSet. Can it be confusing?

Hilaire