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-- File: TCollection_Compare.cdl
-- Created: Tue May 14 18:07:48 1991
-- Author: Annick PANCHER
-- <apc@topsn2>
-- Revised: Mireille MERCIEN
-- <mip@sdsun3>
-- Copyright: Matra Datavision 1992
deferred generic class Compare from TCollection ( Item as any )
---Purpose: Defines a comparison operator which can be used by
-- any ordered structure. The way to compare items
-- has to be described in subclasses, which inherit
-- from instantiations of Compare.
is
IsLower (me; Left, Right: Item)
---Level: Public
---Purpose: returns True if <Left> is lower than <Right>.
returns Boolean
is virtual;
IsGreater (me; Left, Right: Item)
---Level: Public
---Purpose: returns True if <Left> is greater than <Right>.
returns Boolean
is virtual;
IsEqual(me; Left, Right: Item)
---Level: Public
---Purpose: returns True when <Right> and <Left> are equal.
returns Boolean
is virtual;
end;
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