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Subject: Re: Reconsidering assignment
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From: Ray Blaak <rAYblaaK@STRIPCAPStelus.net>
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Date: Thu, 07 Jun 2007 16:28:05 GMT
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Date: 2007-06-07T16:28:05+00:00
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Stefan Lucks <lucks@th.informatik.uni-mannheim.de> writes:
> I like your suggestion, but i would prefer a simpler syntax. Use some
> attribute Type in this case. Thus, I would prefer
> 
> procedure Swap (X: in out String; Y: in out X'Type);
> 
> over
> 
> > procedure Safe_Swap(X, Y : in out String) with X'Length = Y'Length;

A much better idea, and it allows an easier way to contrain different
arguments, e.g.

  procedure Doit(X: in out Foo; Y : in out X'Type; A : Bar; B : A'Type);

-- 
Cheers,                                        The Rhythm is around me,
                                               The Rhythm has control.
Ray Blaak                                      The Rhythm is inside me,
rAYblaaK@STRIPCAPStelus.net                    The Rhythm has my soul.