On Tue, Jan 3, 2012 at 1:01 PM, John Cowan <cowan@mercury.ccil.org> wrote:
> Stefan Edwards scripsit:
>
>> What about loading alternative implementation of a feature, such as
>> falling back onto the reference implementation of a SRFI if the Scheme
>> you're using doesn't provide one? I actually think this would ease
>> writing libraries likes SLIB or Nausicaa that support multiple Scheme
>> implementations and have to Spackle the gaps in features between them.
>
> If possible that should be done using cond-expand in the module
> language.

Exactly.  That's the primary (and currently only) use of features.
We're talking about potential secondary uses.

--
Alex

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