arr.sa
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-------------------------> GNU Sather - sourcefile <-------------------------
-- Copyright (C) 2000 by K Hopper, University of Waikato, New Zealand --
-- This file is part of the GNU Sather library. It is free software; you may --
-- redistribute and/or modify it under the terms of the GNU Library General --
-- Public License (LGPL) as published by the Free Software Foundation; --
-- either version 2 of the license, or (at your option) any later version. --
-- This library is distributed in the hope that it will be useful, but --
-- WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See Doc/LGPL for more details. --
-- The license text is also available from: Free Software Foundation, Inc., --
-- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA --
--------------> Please email comments to <bug-sather@gnu.org> <--------------
abstract class $RO_ARR{ETP} < $CONTAINER{ETP}
abstract class $RO_ARR{ETP} < $CONTAINER{ETP} is
-- This abstraction is for a read-only array which forms the interface to
-- other array classes.
-- Version 1.5 Jan 97. Copyright K Hopper, U of Waikato
-- Development History
-- -------------------
-- Date Who By Detail
-- ---- ------ ------
-- 11 Apr 94 bg Original
-- 12 Jul 96 hk Modified for Sather 1.1
-- 13 Jan 97 kh Changed to CARD from INT
aget(
index : CARD
) : ETP ;
-- Provided that the pre-condition has_ind(index)is satisfied then
-- this routine returns the element of the array which corresponds to index.
has_ind(
val : CARD
) : BOOL ;
-- This routine returns true if and only if val is less than the array
-- size.
ind! : CARD ;
-- This iter yields all of the indices of an array -- the numbers
-- between zero and (size - 1).
end ; -- $RO_ARR{ETP}
abstract class $ARR{ETP} < $RO_ARR{ETP}
abstract class $ARR{ETP} < $RO_ARR{ETP} is
-- This abstract class models the general array where the indices are
-- cardinal numbers less than the array size. It is similar to a MAP from
-- numbers to elements, but has more more restrictive conditions.
-- Version 1.5 Jan 97. Copright K Hopper, U of Waikato
-- Development History
-- -------------------
-- Date Who By Detail
-- ---- ------ ------
-- 11 Apr 94 bg Original
-- 12 Jul 96 hk Modified for Sather 1.1
-- 13 Jan 97 kh Changed to CARD from INT
aset(
index : CARD,
elem : ETP
) ;
-- Provided that the pre-condition has_ind(index) is satisfied then
-- this routine sets the element of the array which corresponds to index to
-- have the value elem.
set!(
elem : ETP
) ;
-- This feature is provided to set successive elements of the array to
-- the given element value.
end ; -- $ARR{ETP}