Re: [PATCH] submodule--helper.c: add only-active to foreach

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Le ven. 15 mai 2020 à 19:03, Junio C Hamano <gitster@xxxxxxxxx> a écrit :
>
> Guillaume Galeazzi <guillaume.galeazzi@xxxxxxxxx> writes:
>
> > Goal here was to avoid magic number, but after looking to the code it
> > seem accepted that true is 1 and false is 0. To comply with that, in
> > next version it will be replace it with:
> >
> >       if (FOREACH_BOOL_FILTER_NOT_SET != info->active_only) {
>
> It still is unusual to have a constant on the left hand side of the
> "!=" or "==" operator, though.  Having a constant on the left hand
> side of "<" and "<=" is justifiable, but not for "!=" and "==".

It is call Yoda condition. As it compare with a constant, the compiler
will throw an error if you write only = instead of != or ==.

But after a quick check, this wasn't needed as compiler warn
    builtin/submodule--helper.c:570:2: error: suggest parentheses
around assignment used as truth value [-Werror=parentheses]

And I am not a Yoda condition adept at all. So it will be removed.




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