Re: How to use Glib::Value?

[p sun fun gmail com]

Thanks, that works. Out of curiosity, why not to call init() in the
constructor? 


On Tue, 2019-03-05 at 11:00 +0100, Kjell Ahlstedt wrote:
> Replace
>    data.init(G_TYPE_DATE_TIME);
> by
>    data.init(data.value_type());
> or
>    data.init(Glib::Value<Glib::DateTime>::value_type());
> You don't store a GDateTime, you store a Glib::DateTime. That's not
> the same thing.
> This is not well described in the documentation, but there is an
> example at
> https://gitlab.gnome.org/GNOME/glibmm/blob/master/tests/glibmm_value/main.cc
> On 2019-03-04 14:05, Pavlo Solntsev via gtkmm-list wrote:
> > Hi,
> >
> > Have this code 
> > ```
> > Glib::Value<int> datai;
> > datai.init(G_TYPE_INT);
> > datai.set(8);
> > std::cout << "Value = " << datai.get() << std::endl;
> > ```
> > I see in stdout:
> > Value = 8
> >
> > Works good. Now I would like to use another type: Glib::DateTime
> > ```
> > Glib::Value<Glib::DateTime> data;
> >
> > data.init(G_TYPE_DATE_TIME);
> > Glib::DateTime ctime = Glib::DateTime::create_now_utc();
> > data.set(ctime);
> > ```
> >
> > This compiles ok, but generates 
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x00007ffff7b2405c in Glib::DateTime::operator= (this=0x0, src=...)
> > at
> > /home/pavlo/jhbuild/checkout/glibmm-2.4/glib/glibmm/datetime.cc:89
> > 89    if(gobject_)