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[Gnu-arch-users] Re: Features command for arch

From: Stefan Monnier
Subject: [Gnu-arch-users] Re: Features command for arch
Date: 02 Sep 2004 17:20:08 -0400
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50

>> I hope I'm understanding the discussion so far, but it sounds like
>> 'features' is a cheap way to announce capabilities that are
>> programmatically (but expensively) provable.

>> If that's the case, couldn't your regression tests be your calculator?

> But nobody who is advocating for a "features" feature has (that I've
> seen) proposed anything so specific as tying "features" to regression
> tests.

I think as "features" go, using regression tests makes a lot of sense.
I think it's important for "features" to be something trustable and
generated completely automatically.

Emacs uses `featurep' (which is more or less like "is package <foo>
loaded?") and `fboundp' (does function <foo> exist), but it never feels
very satisfactory and is quirky.


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