From: Gautier <gautier.demontmollin@maths.unine.ch>
Subject: Re: Pointer function parameter
Date: 2000/10/17
Date: 2000-10-17T00:00:00+00:00 [thread overview]
Message-ID: <39EC12B6.A9285EFD@maths.unine.ch> (raw)
In-Reply-To: iotnusc13ulppptc433i83o4n2ld672eof@4ax.com
Mary:
> How can you handle address-of-operator (&) in Ada.
>
> ie.
>
> float calculation(float &num2, float num1)
Good news: you can do everything with in/in out/out
parameters, almost no need of 'address or 'access.
"Bad" news: if you are trying to affect num2 (are you ?),
you can't do it in a function: a bug-prone side-effect. Do it as:
procedure calculation( num1: float; num2: in out float; result: out float ) is...
HTH
______________________________________________________
Gautier -- http://members.nbci.com/gdemont/gsoft.htm
next prev parent reply other threads:[~2000-10-17 0:00 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-16 0:00 Pointer function parameter Mary
2000-10-17 0:00 ` Gautier [this message]
2000-10-17 0:00 ` Mario Amado Alves
2000-10-18 0:00 ` Florian Weimer
2000-10-18 0:00 ` Robert Dewar
2000-10-17 0:00 ` tmoran
-- strict thread matches above, loose matches on Subject: below --
2000-10-19 0:00 Mario Amado Alves
2000-10-19 0:00 ` Marin David Condic
2000-10-19 0:00 ` tmoran
2000-10-19 0:00 ` Ted Dennison
2000-10-21 0:00 ` Robert Dewar
2000-10-23 0:00 ` Alejandro Villanueva
2000-10-24 0:00 ` Robert A Duff
2000-10-24 0:00 ` Alejandro Villanueva
2000-10-24 0:00 ` Ted Dennison
2000-10-24 0:00 ` Lutz Donnerhacke
2000-10-24 22:32 ` Mats Weber
2000-10-30 15:24 ` Robert A Duff
2000-10-30 15:44 ` Ken Garlington
2000-10-30 18:53 ` Florian Weimer
2000-10-31 1:48 ` Robert Dewar
2000-10-31 12:40 ` Ken Garlington
2000-10-31 14:08 ` Larry Kilgallen
2000-11-01 17:59 ` Mats Weber
2000-11-03 0:00 ` Florian Weimer
2000-10-21 0:00 ` Robert Dewar
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