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Re: Guix records
From: |
Dr. Arne Babenhauserheide |
Subject: |
Re: Guix records |
Date: |
Wed, 10 Feb 2021 09:38:16 +0100 |
User-agent: |
mu4e 1.4.15; emacs 27.1 |
Taylan Kammer <taylan.kammer@gmail.com> writes:
>>> (import (rnrs records syntactic (6)))
>>> (define-record-type (cat make-cat cat?) (fields name age color))
>> I did not know about that shorthand — thank you!
>> I always did this:
>> (import (srfi srfi-9))
>> (define-record-type <cat>
>> (make-cat name age color)
>> cat?
>> (name cat-name) (age cat-age) (color cat-color))
>> Compared to that the syntactic form you showed is much nicer.
>
> I actually prefer the conceptual simplicity and explicit nature of
> SRFI-9 to be honest, but yeah, it can be very verbose.
I’ve used records a bit, and the additional overhead is annoying.
On the other hand I like it that there is an explicit entry in the file,
so I don’t get magic variables that my text editor cannot find without
executing the code.
> According to the 3.0 release notes, R6RS and SRFI-9 now both use a
> unified core record system under the hood and should therefore have
> equivalent performance characteristics I suppose.
Thank you!
Best wishes,
Arne
--
Unpolitisch sein
heißt politisch sein
ohne es zu merken
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