Re: [boost] [signals2] extended_slot_type bug with preferred syntax

Subject: Re: [boost] [signals2] extended_slot_type bug with preferred syntax
From: Frank Mori Hess (frank.hess_at_[hidden])
Date: 2008-11-06 10:22:15

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On Thursday 06 November 2008 03:11 am, Franz Alt wrote:
> have you got some examples with the usage of the extended_slot_type /
> connect_extended? In your documentation there is no example.

Attached is an example program.
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        filename="connect_extended_example.cpp"

#include <boost/signals2/signal.hpp>
#include <iostream>

void self_disconnecting_slot(const boost::signals2::connection &conn)
{
        std::cout << __FUNCTION__ << std::endl;
        conn.disconnect();
}

int main()
{
        typedef boost::signals2::signal0<void> signal_type;
        typedef signal_type::extended_slot_type slot_type;
        signal_type sig;
        slot_type myslot(&self_disconnecting_slot);
        sig.connect_extended(myslot);
        std::cout << sig.num_slots() << " slots connected.\n";
        sig();
        std::cout << sig.num_slots() << " slots connected.\n";
        sig();
        return 0;
}

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