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Re: Instead of pcase


From: Dmitry Gutov
Subject: Re: Instead of pcase
Date: Fri, 24 Nov 2023 19:14:19 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0

On 23/11/2023 04:57, Richard Stallman wrote:
   > This is the requirement: in some situations a code path should only be
   > chosen when a certain structure is present and certain requirements for
   > certain parts of the structure are fulfilled.  When you separate these
   > two things artificially you will make the thing more complicated, you
   > need to introduce extra bindings (for the tests) that the BODY doesn't
   > use, resulting in poorly readable code.

Would you be willing to show me two or thhree examples of this, so I
cam make sure those are natural enough in the framework I'm designing?

I suggest you try rewriting the definition of completion-help-at-point using your alternative construct.

We just discussed what the pcase clauses there do, and they are small enough so this won't be a lot of work, while at the same time they exhibit several of the important features of pcase.



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