From: Stefan Skoglund <stetson@ebox.tninet.se>
To: David Rasmussen <pinkfloydhomer@yahoo.com>
Subject: Re: Localized Variable Declaration
Date: Sun, 02 Jun 2002 03:52:16 +0200
Date: 2002-06-02T03:52:16+02:00 [thread overview]
Message-ID: <3CF97A50.F37E39AB@ebox.tninet.se> (raw)
In-Reply-To: 3CF77998.9040806@yahoo.com
David Rasmussen wrote:
> excels at), is the ability to declare a variable "anywhere". In C++ we
> can declare a variable exactly when it is needed, which is easier to
ok everyone told you about declar .. begin .. end ;
like:
procedure foo is
i: integer;
begin
...
declare
i:float;
begin
-- i is now a float
..
end;
-- is now an integer
end foo;
the other thing about declare is that you can control visibility
with it. Lets take ada.strings.bounded as an example
--
with ada.strings.bounded;
procedure foo is
wanted_length: integer;
begin
ada.integer_textio.get(wanted_length);
-- now you need a bounded string with length 20
declare
the_string: string[wanted_length]; -- tadaam the discriminan
must be variable
-- which it really isn't.
begin
do something with the_string
end;
end foo;
Or was i wrong about things ???
prev parent reply other threads:[~2002-06-02 1:52 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-31 13:24 Localized Variable Declaration David Rasmussen
2002-05-31 13:32 ` martin.m.dowie
2002-05-31 13:38 ` David Rasmussen
2002-05-31 13:50 ` martin.m.dowie
2002-05-31 14:48 ` David Rasmussen
2002-05-31 15:26 ` martin.m.dowie
2002-05-31 15:45 ` David Rasmussen
2002-05-31 18:30 ` Jeffrey Carter
2002-06-02 2:21 ` steve_H
2002-06-02 9:59 ` David Rasmussen
2002-06-02 15:06 ` Robert Dewar
2002-06-02 15:27 ` David Rasmussen
2002-06-02 23:25 ` Hyman Rosen
2002-06-02 23:28 ` David Rasmussen
2002-06-02 23:52 ` martin.m.dowie
2002-06-02 23:58 ` David Rasmussen
2002-06-03 11:22 ` martin.m.dowie
2002-05-31 15:51 ` Mark Johnson
2002-05-31 17:47 ` martin.m.dowie
2002-05-31 21:53 ` tmoran
2002-06-02 15:10 ` Robert Dewar
2002-06-02 15:28 ` Vinzent Hoefler
2002-06-02 18:04 ` tmoran
2002-06-07 3:32 ` Richard Riehle
2002-05-31 15:59 ` Darren New
2002-06-02 15:20 ` Robert Dewar
2002-06-03 5:29 ` Michael Bode
2002-06-03 6:17 ` Preben Randhol
2002-06-04 10:26 ` Simon Wright
2002-06-03 13:59 ` Marin David Condic
2002-06-05 8:36 ` Dmitry A.Kazakov
2002-06-03 17:29 ` Pascal Obry
2002-06-16 23:34 ` Robert A Duff
2002-06-04 12:13 ` Georg Bauhaus
2002-05-31 19:00 ` Mike Silva
2002-06-01 0:58 ` Robert Dewar
2002-05-31 18:04 ` Larry Kilgallen
2002-05-31 15:06 ` Marin David Condic
2002-06-01 14:53 ` Stephen Leake
2002-06-02 21:18 ` Florian Weimer
2002-06-11 7:16 ` David Thompson
2002-05-31 18:30 ` Stephen Leake
2002-06-02 1:52 ` Stefan Skoglund [this message]
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