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From: "Wette, Matthew R (3441)" <matthew.r.wette@jpl.nasa.gov>
To: "guile-user@gnu.org" <guile-user@gnu.org>
Subject: Re: Modifying nested dictionary/alist type data
Date: Fri, 15 Apr 2016 14:00:17 +0000	[thread overview]
Message-ID: <36EEBF8E-6848-4B9D-84EC-F7ACEDC84583@jpl.nasa.gov> (raw)
In-Reply-To: <0506AB66-CF82-4B86-A2A8-4FC144FC7D59@paulwmorris.com>


> On Apr 14, 2016, at 4:44 PM, Paul Morris <paul@paulwmorris.com> wrote:

> But if you have nested alists like this
> 
>  (define my-alist ‘((aaa . ((bbb . ((ccc . 10)))))))
> 
> and you want to change ccc, then the “set!” trick doesn’t help. (...what would you “set!”?)  So what’s the best approach here for such nested data structures?  Maybe I should just use nested hash maps instead?  Sorry if I’m missing something obvious.

Not sure I understand this entirely, but have you looked at boxes?  Look at SRFI-111 in the Guile Reference.  



  reply	other threads:[~2016-04-15 14:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-14 23:44 Modifying nested dictionary/alist type data Paul Morris
2016-04-15 14:00 ` Wette, Matthew R (3441) [this message]
2016-04-15 17:20 ` Andreas Rottmann
2016-04-16 14:37   ` Paul Morris

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