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Re: [Chicken-hackers] PATCH: wrong type for alist-delete!
From: |
John Cowan |
Subject: |
Re: [Chicken-hackers] PATCH: wrong type for alist-delete! |
Date: |
Thu, 14 Jan 2016 16:10:01 -0500 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
Evan Hanson scripsit:
> Looks good to me. Debatably it ought to have an undefined return value,
> as with typical destructive update procedures, but hey.
Not how linear-update works: the !-less version is pure, the ! version is
not pure (or at least may not be pure). In any case, the data structure
being changed is what is returned. A number of SRFIs work like this.
--
John Cowan http://www.ccil.org/~cowan address@hidden
What is the sound of Perl? Is it not the sound of a [Ww]all that people
have stopped banging their head against? --Larry