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From: Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: actual for variable name must be variable compiler error
Date: Sun, 28 Sep 2014 19:50:17 -0700
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Date: 2014-09-28T19:50:17-07:00
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On 09/28/2014 05:48 PM, Stribor40 wrote:
> 
> procedure myFunction (a: in out INTEGER) is

Do you also have a function Myprocedure?

>    myFunction(5) this gives me error that actual must be variable
>    myFunction(SomeOtherVariable) compiles fine

"in" means the subprogram reads the parameter; "out", that it assigns to the
parameter; and "in out" that it does both. You can only assign to a variable.
Certainly not to a numeric literal.

-- 
Jeff Carter
"I wave my private parts at your aunties."
Monty Python & the Holy Grail
13