Horton

Re: Small improvements to pg_list.h's linitial(), lsecond(), lthird() etc macros

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Rowley <dgrowleyml@gmail.com>
Cc: PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>
Date: 2020-09-28T01:58:43Z
Lists: pgsql-hackers 
David Rowley <dgrowleyml@gmail.com> writes:
> I changed things around to make llast() and the int and oid variant
> use a new inline function to get the last cell.
> I also pushed the resulting code to master.

LGTM.

			regards, tom lane

Commits

  1. Add for_each_from, to simplify loops starting from non-first list cells.

  2. Minor mop-up for List improvements.

  3. Improve pg_list.h's linitial(), lsecond() and co macros