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From: ludo@gnu.org (Ludovic Courtès)
To: Alex Shinn <alexshinn@gmail.com>
Cc: guile-devel@gnu.org
Subject: Re: TODO list for Guile R7RS support
Date: Mon, 27 Feb 2012 17:00:46 +0100	[thread overview]
Message-ID: <87y5ro5kr5.fsf@gnu.org> (raw)
In-Reply-To: <CAMMPzYN5-+ggWCXP6MtwDwg_YAhq9qJY5CcJK=r-3FN8Bc2e_Q@mail.gmail.com> (Alex Shinn's message of "Sun, 26 Feb 2012 17:48:23 -0500")

Hi Alex,

Alex Shinn <alexshinn@gmail.com> skribis:

> 2012/2/26 Ludovic Courtès <ludo@gnu.org>:
>> Hi,
>>
>> Alex Shinn <alexshinn@gmail.com> skribis:
>>
>>> On Thu, Feb 23, 2012 at 7:06 AM, Andy Wingo <wingo@pobox.com> wrote:
>>
>> [...]
>>
>>>>> * R7RS exceptions
>>>>
>>>> Are they like R6RS exceptions?
>>>
>>> Yes, just the exceptions with no condition hierarchy.
>>
>> Ouch, like SRFI-35--.  I’d be curious to see the rationale for yet
>> another record API, and one that doesn’t support inheritance.
>
> No, not like SRFI-35, no condition types at all.
> Instead you raise arbitrary objects

OK, sort-of like SRFI-34 then, right?

> You seem to be confused about inheritance.
> SRFI-35 and R6RS provided multiple inheritance,
> while the record system supported only single
> inheritance.  We will not repeat this mistake.

Thanks for the clarification.  I see, and I concur.

Ludo’.



      reply	other threads:[~2012-02-27 16:00 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-09  5:09 TODO list for Guile R7RS support Mark H Weaver
2012-02-10 15:53 ` Ludovic Courtès
2012-02-11 20:41   ` Mark H Weaver
2012-02-11 21:11     ` Ludovic Courtès
2012-02-12  3:54   ` Alex Shinn
2012-02-12 23:46     ` Ludovic Courtès
2012-02-12 23:57       ` Alex Shinn
2012-02-13  4:03         ` William ML Leslie
2012-02-13 11:50         ` Ludovic Courtès
2012-02-14  2:35           ` Alex Shinn
2012-02-16 21:05             ` Ludovic Courtès
2012-02-22 21:46               ` Andy Wingo
2012-02-22 22:06 ` Andy Wingo
2012-02-23  1:39   ` Alex Shinn
2012-02-26 22:08     ` Ludovic Courtès
2012-02-26 22:48       ` Alex Shinn
2012-02-27 16:00         ` Ludovic Courtès [this message]

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