Re: function "exists" ?

An example used in  prim.sf

 

    sfPrimSchema extends ifThenElse {

        if sfSchema;

        then extends PrimSchema;

        else NULL;

    }

 

This creates an attribute called sfPrimSchema if sfSchema is exists if
not, it makes it NULL.

 

Julio

 

________________________________

From: smartfrog-developer-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
[mailto:smartfrog-developer-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf Of
Xavier Grehant
Sent: 19 July 2006 15:38
To: smartfrog-developer
Subject: [Smartfrog-developer] function "exists" ?

 


Hi -

Is there a way to check if an attribute exists in a smartfrog
description?
The idea is to be able to have an optional attribute
attr2 PARENT:attr1
when attr1 is optional in the parent.

Thank you, 
Xavier

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