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indexing

description: "Active structures, which always have a current position ", "accessible through a cursor. "
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: cursor_structure, access
cluster: eiffelbase
deferred class CURSOR_STRUCTURE [G]
inherit

ACTIVE [G]
end
feature -- Access

cursor: CURSOR
-- Current cursor position
feature -- Status report

valid_cursor (p: CURSOR): BOOLEAN
-- Can the cursor be moved to position `p'?
feature -- Cursor movement

go_to (p: CURSOR)
-- Move cursor to position `p'.
require
cursor_position_valid: valid_cursor (p)
end -- class CURSOR_STRUCTURE

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