Re: [boost] [Signal] Variadic template implementation of signal/slot

Subject: Re: [boost] [Signal] Variadic template implementation of signal/slot
From: Sebastian Redl (sebastian.redl_at_[hidden])
Date: 2009-05-28 16:59:18

Frank Mori Hess wrote:
> However, the
> variadic Boost.Signals2 implementation still uses Boost.Function for its
> default SlotFunction and uses Boost.Bind, neither of which provide
> variadic
> templates implementations.
There should be a working variadic Function implementation in the C++0x
BoostCon branch.
> I haven't updated the documentation yet, but the user-visible changes when
> using the variadic template implementation are as follows:
> 1) The "portable syntax" classes like signal0, signal1, etc are gone.
> 2) The member typedefs like "arg1_type", "arg2_type", etc are gone. 
> They are
> replaced with a "arg" member template class, so instead
> of "sig_type::arg1_type" you would do "sig_type::arg<0>::type".  For
> consistency the "arg" member template has also been added to the
> non-variadic
> implementation.
The same limitations apply to the Function implementation on the branch.
It might even have something like the arg member template; can't remember.

Sebastian