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From: mheaney@ni.net (Matthew Heaney)
Subject: Re: Unconstrained String Handling.
Date: 1997/07/10
Message-ID: <mheaney-ya023680001007972325030001@news.ni.net>#1/1
X-Deja-AN: 256130716
Distribution: world
References: <NMFtgKANl5uzYwNP@clanchy.demon.co.uk>
Organization: Estormza Software
Newsgroups: comp.lang.ada
Date: 1997-07-10T00:00:00+00:00
List-Id: <comp.lang.ada>


In article <NMFtgKANl5uzYwNP@clanchy.demon.co.uk>, RC
<rc1@clanchy.demon.co.uk> wrote:

>Is there a portable way to handle data elements of type: string?
>
>(Any attributes which can be accessed for instance.)
>
>As for constant strings:
>
>    line1:                      constant string := "Some text.";
>
>
>begin
>    put_line (line1);
>    put_line (line1'last);
>
>....
>
>
>
>procedure string_op (ip_text: IN STRING) is
>begin
>    ?????

ip_text'First yields the index position of the first element of the actual
parameter.

ip_text'Last yields the last index position of the string.

ip_text'Range is shorthand for ip_text'First .. ip_text'Last.

ip_text'Length yields the length of the actual argument; it's the same
value as ip_text'last - ip_first + 1.

What are you trying to do, exactly?

--------------------------------------------------------------------
Matthew Heaney
Software Development Consultant
<mailto:matthew_heaney@acm.org>
(818) 985-1271