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Re: Core Guile bindings

From: Robin Templeton
Subject: Re: Core Guile bindings
Date: Fri, 14 Oct 2016 11:53:12 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

Arne Babenhauserheide <address@hidden> writes:

> Ludovic Courtès writes:
>> Hi!
>> "Thompson, David" <address@hidden> skribis:
>>> On Wed, Oct 12, 2016 at 3:18 PM, Panicz Maciej Godek
>>> <address@hidden> wrote:
>>>> 2016-10-12 20:21 GMT+02:00 Thompson, David <address@hidden>:
>>>>> My understanding is that these symbols have been part of the default
>>>>> environment for so long that a lot of code would break if they were
>>>>> removed, so they will be staying for the foreseeable future.
>>>> On the other hand, the fix would usually be trivial (just one use-modules
>>>> clause), and besides I don't think that Guile has ever had a tradition of
>>>> worrying too much about backwards compatibility.
>>> The Guile maintainers care very much about backwards compatibility,
>>> from what I've seen over the last few years.
>> I think I asked the same question as Panicz when I started using Guile
>> ca. 2004.  The situation of global bindings hasn’t changed since then,
>> and that’s for compatibility reasons that I very much appreciate as a
>> user.
> What would be possible without breaking backwards compatibility is
> moving them ino a module which is imported by default, with a way to
> suppress those default imports.

This is already how it works internally -- the default bindings are
stored in the (guile) module. You can use define-module's #:pure option
to suppress the default import and start with an empty module.

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