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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Philipp Stephani <p.stephani2@gmail.com>
Cc: 20643@debbugs.gnu.org
Subject: bug#20643: 24.5; Please improve documentation of `pcase-let'
Date: Sun, 21 Jun 2015 21:23:47 -0400	[thread overview]
Message-ID: <jwvtwu035dg.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <CAArVCkT+i79AkW+KsGg7gMS5UEfzMa+Ct8MHTh+ZDWRHatJ=1Q@mail.gmail.com> (Philipp Stephani's message of "Sun, 21 Jun 2015 13:10:13 +0000")

> Thanks. Though I think it would be better to be more defensive and
> guarantee to raise a signal in the case of a mismatch.

If you want that, you need to use pcase, or pcase-exclusive.

This is a judgment call, but it lets pcase-let generate significantly
shorter and more efficient code and hence better serve the expected
common case.


        Stefan





      reply	other threads:[~2015-06-22  1:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-24 10:36 bug#20643: 24.5; Please improve documentation of `pcase-let' Philipp Stephani
2015-05-25  2:39 ` Stefan Monnier
2015-06-21 13:10   ` Philipp Stephani
2015-06-22  1:23     ` Stefan Monnier [this message]

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