From: Stephen Leake <Stephen.A.Leake@nasa.gov>
Subject: phone number database
Date: 27 Feb 2003 12:26:50 -0500
Date: 2003-02-27T17:40:43+00:00 [thread overview]
Message-ID: <uk7fliqhx.fsf_-_@nasa.gov> (raw)
In-Reply-To: kQj7a.72$QK.31@read3.inet.fi
"Anders Wirzenius" <anders.wirzenius@pp.qnet.fi> writes:
> Sorry, John, for using your thread as a stepping-stone. ;-(
Please learn how to change the subject in your newsreader; hijacking
threads like this is simply not acceptable.
> I HAVE:
> 1.
> Six phone numbers: 1795, 2006, 2007, 2012, 2013, 2014.
> 2.
> A log (text file) from the company's phone system with data like:
> From_Phone_Nr, To_Phone_Nr, Answering_Time, Duration...
>
> I WANT TO:
> 3.
> Pick only those log data where the To_Phone_Nr is one of the six numbers.
> 4.
> Set up some statistics about those phone calls.
> 5.
> Be able to add or remove phone numbers from the list (six becomes
> seven some sunny winterday).
>
> I WISH I HAD:
> type Help_Desk is (1795, 2006, 2007, 2012, 2013, 2014); -- with the
> dynamics described under point 5.
Well, since Ada enumeration types don't have the dynamics from point
5, you can't use them.
> If To_Phone_Nr in Help_Desk then
> -- Do statistics
> end if;
>
> What is a proper way to implement "To_Phone_Nr in Help_Desk" ?
Use a SAL binary tree
(http://users.erols.com/leakstan/Stephe/Ada/Sal_Packages/index.htm) to
store the help desk phone numbers; then do
if Is_Present (Help_Tree, To_Phone_Nr) then
...
end if;
Hmm, my web page is out of date; that version doesn't have Is_Present.
I'll update it one of these days...
--
-- Stephe
next prev parent reply other threads:[~2003-02-27 17:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-26 18:00 Variant Record Component John Harbaugh
2003-02-26 19:08 ` Stephen Leake
2003-02-27 8:17 ` Anders Wirzenius
2003-02-27 8:46 ` John McCabe
2003-02-27 17:26 ` Stephen Leake [this message]
2003-02-27 18:09 ` phone number database tmoran
2003-02-28 0:07 ` Matthew Heaney
2003-02-28 6:46 ` Hijacking threads (was phone number database (was Variant Record Component)) Anders Wirzenius
2003-02-26 20:50 ` Variant Record Component David C. Hoos
2003-02-28 16:15 ` John Harbaugh
2003-02-28 18:18 ` tmoran
2003-02-28 22:07 ` John Harbaugh
2003-02-28 20:51 ` Randy Brukardt
2003-03-01 2:34 ` Jeffrey Carter
2003-03-03 9:24 ` John McCabe
2003-02-26 21:37 ` tmoran
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