src/PDataStd/PDataStd_Variable.cdl


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-- File:	PDataStd_Variable.cdl
-- Created:	Wed Dec 10 10:37:50 1997
-- Author:	Denis PASCAL
--		<dp@dingox.paris1.matra-dtv.fr>
---Copyright:	 Matra Datavision 1997


class Variable from PDataStd inherits Attribute from PDF

	---Purpose: Persistant variable
	--          ===================

uses HAsciiString from PCollection
is

    Create returns mutable Variable from PDataStd;

    
    Create (constant : Boolean from Standard)
    returns mutable Variable from PDataStd;
    
    Constant (me : mutable; status : Boolean from Standard);    
    Constant (me)
    returns Boolean from Standard;

    Unit(me:mutable; unit : HAsciiString from PCollection);
    Unit(me) 
    returns HAsciiString from PCollection;

fields

    isConstant : Boolean      from Standard;
    myUnit     : HAsciiString from PCollection;

end Variable;