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Re: New macro `seq-let' in seq.el
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From: |
Stefan Monnier |
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Subject: |
Re: New macro `seq-let' in seq.el |
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Date: |
Tue, 05 May 2015 15:56:57 -0400 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
> PS: `pcase--u1' is pretty long (almost 200 loc), is there any reason not
> to refactor it? As it is now I will have a very hard time understanding
> what is does exactly.
You shouldn't need to know how pcase--u1 works.
You just need to write a pcase-macro which turns (seq ...) patterns into
other (more primitive) pcase patterns. E.g. it could turn (seq a b)
into a pattern like (and (pred seq-p) (app (elt 0) a) (app (elt 1) b)).
Stefan