From: "Nasser M. Abbasi" <nma@12000.org>
Subject: Re: calling function but ignoring results
Date: Fri, 2 Jul 2021 20:22:55 -0500 [thread overview]
Message-ID: <sboe5c$5q5$1@gioia.aioe.org> (raw)
In-Reply-To: 69a59fdc-72bb-4202-99fc-d776530de653n@googlegroups.com
On 6/29/2021 2:25 PM, Matt Borchers wrote:
> It is not very often that ignoring a function result is okay, but I have run across many instances of the following block structure in code over the years:
>
> declare
> dont_care : BOOLEAN;
> begin
> dont_care := foo( x, y );
> end;
>
> I also see the procedure wrapper used in some cases -- usually when exported in a package specification:
>
> procedure FOO( x, y ) is
> b : BOOLEAN;
> begin
> b := foo( x, y );
> end FOO;
>
fyi, Matlab had this for years:
https://www.mathworks.com/help/matlab/matlab_prog/ignore-function-outputs.html
"
This example shows how to ignore specific outputs from a function using the tilde (~) operator.
To ignore function outputs in any position in the argument list, use the tilde operator. For example, ignore the first output using a tilde.
[~,name,ext] = fileparts(helpFile);
"
--Nasser
next prev parent reply other threads:[~2021-07-03 1:22 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-29 19:25 calling function but ignoring results Matt Borchers
2021-06-29 19:52 ` Jeffrey R. Carter
2021-06-29 20:34 ` Dmitry A. Kazakov
2021-06-30 6:06 ` Randy Brukardt
2021-07-09 18:14 ` G.B.
2021-07-09 19:20 ` Niklas Holsti
2021-07-10 2:57 ` Randy Brukardt
2021-07-12 15:56 ` Shark8
2021-06-30 10:17 ` Luke A. Guest
2021-07-01 18:07 ` Gabriele Galeotti
2021-07-02 7:32 ` Marius Amado-Alves
2021-07-03 11:35 ` Gabriele Galeotti
2021-07-03 11:46 ` Gabriele Galeotti
2021-07-03 19:11 ` Simon Wright
2021-07-04 7:22 ` Simon Wright
2021-07-06 23:07 ` Randy Brukardt
2021-06-30 10:26 ` Luke A. Guest
2021-06-30 19:31 ` Simon Wright
2021-06-30 23:06 ` Rod Kay
2021-07-01 0:06 ` Stephen Leake
2021-07-01 3:55 ` Randy Brukardt
2021-07-03 10:42 ` Stephen Leake
2021-07-03 1:22 ` Nasser M. Abbasi [this message]
2021-07-03 4:59 ` Matt Borchers
2021-07-03 7:37 ` Gautier write-only address
2021-07-03 7:42 ` Gautier write-only address
2021-07-03 7:57 ` Niklas Holsti
2021-07-03 7:46 ` Gautier write-only address
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