Re: useless list_tail()? - Mailing list pgsql-hackers

From Aleksander Alekseev
Subject Re: useless list_tail()?
Date
Msg-id CAJ7c6TPGGL0Ga2rFmLmJR2tPmAraJTP2WomnuxXuWmQ4vx-Ntg@mail.gmail.com
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In response to useless list_tail()?  (Zhang Mingli <zmlpostgres@gmail.com>)
Responses Re: useless list_tail()?
List pgsql-hackers
Hi,

> While working with lists, I've been utilizing the llast() macro to retrieve the last element.
> During this process, I noticed that the list_tail() function is not being used anywhere in the codebase.
> Its last usage was removed in commit a8d8445a7b in favor of llast().

I'm not entirely sure. Although being a static inline function,
list_tail() is declared in a .h file. Removing it may break 3rd party
code.

Note that list_tail() and llast() don't do exactly the same.
list_tail() accepts NIL lists while llast() works only for non-NIL
lists.

-- 
Best regards,
Aleksander Alekseev



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