On Fri, Nov 11, 2016 at 4:50 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Karthik Nayak <karthik.188@xxxxxxxxx> writes:
>
>>> Minor nit. I'm not sure what standard we use here at Git, but
>>> traditionally, I prefer to see { } blocks on all sections even if only
>>> one of them needs it. (That is, only drop the braces when every
>>> section is one line.) It also looks weird with a comment since it
>>> appears as multiple lines to the reader. I think the braces improve
>>> readability.
>>>
>>> I don't know whether that's Git's code base standard or not, however.
>>> It's not really worth a re-roll unless something else would need to
>>> change.
>>>
>> I believe this is the syntax followed in Git, xdiff/xmerge.c:173 and so on.
>
> That is a bad example for two reasons, if you mean this part:
>
> if ((size = file->recs[i]->size) &&
> file->recs[i]->ptr[size - 1] == '\n')
> /* Last line; ends in LF; Is it CR/LF? */
> return size > 1 &&
> file->recs[i]->ptr[size - 2] == '\r';
> * if (!i)
> /* The only line has no eol */
> return -1;
> /* Determine eol from second-to-last line */
>
>
> What Jacob prefers is this:
>
> ---------------------------------------------
> if (cond)
> simple;
> else if (cond)
> simple;
> else
> simple;
> ---------------------------------------------
> if (cond) {
> simple;
> } else if (cond) {
> no;
> longer;
> simple;
> } else {
> simple;
> }
> ---------------------------------------------
>
> That is, as long as all arms of if/else if/.../else cascade is
> simple, {} is used nowhere in the cascade, but once even one of them
> requires {} then all others gain {}.
I see, I mistook Jacob then.
I was talking about if we need to use {} whenever there's only a
single line of code
but followed by a comment which extends the if/else if/.../else block.
--
Regards,
Karthik Nayak