Path: news.net.uni-c.dk!not-for-mail
From: Michael Westergaard <mw@cs.au.dk>
Newsgroups: comp.lang.beta
Subject: Re: Now I start again
Date: Tue, 16 Apr 2002 16:21:58 +0200
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Jan Atle Ramsli wrote:
> 
> 
> What did I do wrong (I fixed it by omitting f:(##), but I would like to
> know
> 
>         f:@file(# NoSuchFileError::<(# do {Something cool on a status line} #);
>         listBoxFile:@f(# do 'listboxcontents.txt'->name #);
>         do listBoxFile.openRead;
> 
> This is did not like, and told me something about the superpattern
> needing to be a simple pattern - I didn't understand it.
> It also said that name was not declared ...
> 
> When I changed it to
> 
>         listBoxFile:@file(#NoSuchFileError::<(# do {Something cool on a status
> line} #);
>         do      'listboxcontents.txt'->listBoxFile.name;
>                 listBoxFile.openRead
> 
> It sang along like like a doo-waa lady ... no problem at all.
> 
> What I fail to see is why?
> 
> Can someone help me?
> 

Because "f" is an object, not a pattern. You cannot inherit from an
object. Simply remove the "@" in front of it, and you should be rolling.

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