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From: Keith Thompson <kst@cts.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada 0x Wish List
Date: 13 Feb 2001 10:15:35 -0800
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Date: 2001-02-13T10:15:35-08:00
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On Mon, Feb 12, 2001 2:23 AM, Dale Stanbrough <dale@cs.rmit.edu.au> wrote:
> What -I- would like to see is a named parameter association
> that shows you the mode of the parameter....
> 
> E.g.
>    procedure X (a : in integer; b : in out integer; c : out integer);
> 
> 
>    X (a <-  5,
>       b <-> y,
>       c  -> d);
> 
> It would be nice to see in a procedure call exactly which way
> the data is going.

I think the 1979 preliminary version of Ada had something like
this; the syntax was

    X ( a :=  5,
        b :=: y,
        c =:  d );

-- 
Keith Thompson (The_Other_Keith) kst@cts.com  <http://www.ghoti.net/~kst>
San Diego Supercomputer Center           <*>  <http://www.sdsc.edu/~kst>
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