Hi Thomas,
TGButtonGroup class was being written at the time
when signal-slots appeared in ROOT.
The idea was/is "sending signal" at any time when internal
state of object is changed.
So, probably, original code was smthng like
void TGButton::SetGroup(TGButtonGroup *group)
{
if (fGroup != group) {
fGroup = group;
Emit("SetGroup(TGButtonGroup*)",group);
}
}
which was "truncated/simplified" later on.
Regards. Valeriy
Thomas Bretz wrote:
>
> Hi rooters,
>
> I know that it doesn't really matter, but...
> -----
> void TGButton::SetGroup(TGButtonGroup *group)
> {
> if (fGroup != group) fGroup = group;
> }
> -----
>
> I don't think that this if statement makes any sense, neither in speed
> nor something else, does it?
>
> Thomas.
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