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Re: [Emacs-diffs] emacs-25 d7a93ef: Minor improvements to 'pcase' docume
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From: |
Eli Zaretskii |
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Subject: |
Re: [Emacs-diffs] emacs-25 d7a93ef: Minor improvements to 'pcase' documentation |
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Date: |
Fri, 29 Jan 2016 17:38:21 +0200 |
> From: Stefan Monnier <address@hidden>
> Cc: Eli Zaretskii <address@hidden>
> Date: Fri, 29 Jan 2016 09:14:11 -0500
>
> > address@hidden FIXME: There should be an example here showing how a 'pcase'
> > that
> > address@hidden uses QPatterns can be rewritten using UPatterns.
>
> For example:
>
> `(k . ,v)
>
> macro-expands (via (funcall (get '\` 'pcase-macroexpander) '(k . ,v))) to:
>
> (funcall (get '\` 'pcase-macroexpander) '(k . ,v))
> =>
> (and (pred consp) (app car `k) (app cdr `,v))
> =>
> (and (pred consp) (app car 'k) (app cdr v))
Thanks.