INDEX CLUSTER FEATURES SHORT FRAMES NO FRAMES

indexing

description: "Structures for which there exists a traversal policy ", "that will visit every element exactly once. "
title: "EiffelBase: library of reusable components for Eiffel. ", "Based on EiffelBase library for ISE Eiffel, ", "used with permission. "
project: "EiffelBase Library"
copyright: "(c) 1986-1997 Interactive Software Engineering Inc. ", "Modifications and extensions: ", "(c) 1997 Object Tools ", "All rights reserved. Duplication and distribution prohibited", "May be used only with Visual Eiffel under terms of user ", "license "
key: traversable, traversing
cluster: eiffelbase
deferred class TRAVERSABLE [G]
inherit

CONTAINER [G]
end
feature -- Access

item: G
-- Item at current position
require
not_off: not off
feature -- Status report

off: BOOLEAN
-- Is there no current item?
feature -- Cursor movement

start
-- Move to first position if any.
invariant

empty_constraint: empty implies off
end -- class TRAVERSABLE

INDEX CLUSTER FEATURES SHORT FRAMES NO FRAMES