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Re: Performance issue w/ `cl-loop`s `collect...into`


From: Clément Pit-Claudel
Subject: Re: Performance issue w/ `cl-loop`s `collect...into`
Date: Sun, 8 Apr 2018 02:12:03 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0

On 2018-04-08 01:56, Tianxiang Xiong wrote:
> Yikes--wasn't expecting that. Similar code in SBCL runs nearly 
> instantaneously.

Indeed, fixing the implementation would be nice.  It shouldn't be too hard to 
keep a reference to the last `cons' of `pairs' and to append to that using 
setcdr.

Clément.



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