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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Proposed change to BC iterator parameters
Date: Fri, 19 Dec 2003 18:19:11 +0100
Organization: At home
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Date: 2003-12-19T18:19:11+01:00
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Georg Bauhaus wrote:

> Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote:
>  
> : function Search (X : Container; Key : Item_Key) return Item is
> : begin
> :   Enumerate
> :   (  X,
> :      procedure (I : Item) is
> :      begin
> :         if Get_Key (I) = Key then
> :            return I out Search; -- Return through all nested contexts
> :         end if;
> :      end;
> :   );
> :   raise Nothing_Found;
> : end Search;
> 
> wouldn't an active(?) iteration do the job in a satisfying way,
> using is_done, element, and next, in a loop?

But Robert wants it in a non-OO way! I think that he's right. The language
should support both procedural and OO approaches, for they are
complimentary.

-- 
Regards,
Dmitry A. Kazakov
www.dmitry-kazakov.de