Method DataObject():getNoIVar() Foundation
Handles access to instance variables.
:getNoIVar( <cName> ) -> xValue
Returns the value of the instance variable or NIL.
This method can be used to retrieve the value of an instance variable. If the instance variable name provided in <cName> is unknown to the DataObject, NIL is returned. This allows to check for the presence of a value in a dynamic instance variable simply by comparing against the value NIL. The string in <cName> does not need to conform to the naming rules defined for symbols/identifiers. Therefore, DataObjects can be used as dictionary objects for arbitrary values.
The function IsMemberVar() and the method :classDescribe() can be used to determine if a specific member is defined in a DataObject. This works irrespective of whether the member was added dynamically, or was defined statically in a class derived from DataObject.
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