On Tue, 27 May 2003, Avi Bryant wrote:

> ^ AttributeInfo new
>     string: #name;
>     date: #birthday;
>     integer: #age validation: [:x | x between: 0 and: 120];
>     string: #sex options: #('female' 'male' 'n/a');
>     collection: #children type: PDAChild;
>     yourself

I should point out that Lukas Renggli and/or Adrian Lienhard did some work
like this in Seaside; I don't remember offhand whether it would have been
easily generalizable to Morphic or not but one of them may pipe up.