Re: [Boost-users] [function] template deduction issues

From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2008-04-25 18:19:53

AMDG

Robert Dailey wrote:
>
>
>
>     You can construct a boost::function at the call site explicitly rather
>     than relying on the implicit conversion.
>
>     Alternately you can provide an overload of Subscribe for function
>     pointers.
>
>
> That kind of defeats the purpose. I'm trying to make Subscribe figure 
> out the type of the packet itself to avoid having to explicitly say 
> "I'm subscribing for a WalkPacket" when the signature of the slot 
> already has this information. The current implementation requires this 
> syntax:
>
> Subscribe<WalkPacket>( &walkPacketCallback );

If you only need to deal with function pointers,

template<class T>
void Subscribe(void (*callback)(const packet_t&)) {
    Subscribe(boost::function<void(const packet_t&)>(callback));
}

In Christ,
Steven Watanabe