From: Frank Mori Hess (fmhess_at_[hidden])
Date: 2008-07-19 15:02:47
On Sunday 13 July 2008 07:21, Igor R wrote:
> if (!sig.empty())
> doSomething();
>
> But if you just want to "fire" your signal, you don't have to test its
> emptiness.
>
Actually, if you have a non-void return type for the signal, the default
combiner (boost::last_value) requires a slot to be connected.