Re: [Vala] How to check if string is empty

[Dmitry Golovin <dima golovin in>]

My mistake. Thanks for correcting me.

17.01.2017, 10:55, "Jens Georg" <mail jensge org>:
> >  In Vala you can simply just check for str != "", this is enough.
>
> No, if str is nullable it's semantically different, because str != ""
> will be generated as
>
> if (g_strcmp0 (_tmp1_, "") != 0) {
>    ..
> }
>
> This will be TRUE for _tmp1_ being NULL because NULL isn't "" ( and
> g_strcmp0 will return -1 because NULL is < everything)
> so if str is nullable, str != "" means NULL or not empty.
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