On Thu, 1 Aug 2019 at 07:40, Tom Lane <t...@sss.pgh.pa.us> wrote:

> Andres Freund <and...@anarazel.de> writes:
> > Unfortunately foreach(ListCell *lc, ...) doesn't work with the current
> > definition. Which I think isn't great, because the large scopes for loop
> > iteration variables imo makes the code harder to reason about.
>
>
Totally agree.


>
> you can only put one <declaration> into the first element of a
> for (;;).
>

Use an anonymous block outer scope? Or if not permitted even by C99 (which
I think it is), a do {...} while (0);  hack?


-- 
 Craig Ringer                   http://www.2ndQuadrant.com/
 2ndQuadrant - PostgreSQL Solutions for the Enterprise

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