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Re: a brief introduction to "closures" for "uneducated" C hackers

To: plt-scheme@fast.cs.utah.edu
Subject: Re: a brief introduction to "closures" for "uneducated" C hackers
From: John Clonts <jclonts@mastnet.net>
Date: Wed, 07 Feb 2001 13:13:44 -0600
CC: matthias@rice.edu
Organization: hardly
References: <EDFD2A95EE7DD31187350090279C676701683DAE@thresher.corp.xpsystems.com> <200102071448.IAA23845@africa.cs.rice.edu>
Reply-To: jclonts@mastnet.net
Sender: owner-plt-scheme@fast.cs.utah.edu

Matthias Felleisen wrote:
> 
[snip good explanation of lexical closure]
> 
>     LISP, and for a long time Smalltalk, got this all wrong.
> 
>     In C, you can't define functions in a lexically nested position. So the
>     problem didn't come up.
> 

I have a vague recollection that Pascal allowed nested functions-- but I
don't recall how or if it dealt with this.  Does anyone here know?

Cheers,
John

-- 
[:o|]

Follow-Ups:
- Re: a brief introduction to "closures" for "uneducated" C hackers
  - From: Matthias Felleisen <matthias@cs.rice.edu>
- Re: a brief introduction to "closures" for "uneducated" C hackers
  - From: John David Stone <stone@cs.grinnell.edu>

References:
- RE: Code available
  - From: Brent Fulgham <brent.fulgham@xpsystems.com>
- a brief introduction to "closures" for "uneducated" C hackers
  - From: Matthias Felleisen <matthias@cs.rice.edu>

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