| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Cc: | Justin Pryzby <pryzby(at)telsasoft(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: strange case of "if ((a & b))" |
| Date: | 2021-05-10 06:32:01 |
| Message-ID: | 577206.1620628321@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Michael Paquier <michael(at)paquier(dot)xyz> writes:
> On Wed, Apr 28, 2021 at 02:40:09PM -0400, Tom Lane wrote:
>> Agreed, but shouldn't we just drop the excess parens rather than
>> doubling down on useless notation?
> Using a notation like ((a & b) != 0) to enforce a boolean check after
> the bitwise operation is the usual notation I've preferred, FWIW. Do
> you mean something different here?
Yeah --- the "!= 0" is pointless in the context of an if-test.
regards, tom lane
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