From: avi@...4.com (Avi Bryant)
Date: 2002-06-07T02:53:06+09:00
Subject: Re: Pascal-like 'with' statement?

nobu.nokada@softhome.net wrote in message news:<200206061041.g56AfZf15706@sharui.nakada.kanuma.tochigi.jp>...
> Hi,
> 
> At Thu, 6 Jun 2002 17:42:27 +0900,
> Avi Bryant wrote:
> > Or, in more Smalltalky style,
> > 
> > Cfg = OpenStruct.new.host('localhost');
> >                     .user('shoujoai');
> >                     .database('shoujoai');
> >                     .yourself
> > 
> > One nice property of this last style is that the whole thing becomes a
> > single expression, suitable for, say, putting in a return statement
> > without even using a local variable.
> 
> It allows only each one methods, i.e., denies method chains in
> cascades?  If not, it needs to explicit the `start point' of
> the cascade.

That's right.  Actually, it depends on dialect - I think Dolphin has
or had support for nested cascades - but in Squeak and most other
Smalltalks, once you start a cascade you can't chain methods from that
point.  This is almost never a restriction you notice, in my
experience.