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From: "Nasser M. Abbasi" <nma@12000.org>
Newsgroups: comp.lang.ada
Subject: Re: Mariner 1 / FORTRAN bug
Date: Fri, 9 Aug 2019 09:27:22 -0500
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Xref: reader01.eternal-september.org comp.lang.ada:57019
Date: 2019-08-09T09:27:22-05:00
List-Id: <comp.lang.ada>

On 8/9/2019 3:38 AM, Maciej Sobczak wrote:
>> But outside of mathematical formulas, can you give an example of
>> single-character error in Ada?
> 
> with Ada.Text_IO;
> 
> procedure Test is
> 
>     procedure P (I, J : Integer) is
>     begin
>        Ada.Text_IO.Put_Line ("Killing people");
>     end;
> 
>     procedure P (f : Float) is
>     begin
>        Ada.Text_IO.Put_Line ("Not killing people");
>     end;
> 
> begin
>     P (1,2); -- or should it be P (1.2); ?
> end;
> 
> And of course we have to implement the Initialise operation for our Controlled types, right?
> 

That is why using named arguments is better and also more clear

    P (I=>1, J=>2);

No chance to mix it up with

    P (f=>1.2);

--Nasser