CLASS TEMPLATE SIG(3)

NAME
boost::signal - Safe multicast callback.

SYNOPSIS

// In header: <boost/signal.hpp>
template<typename Signature,   // Function type R (T1, T2, ..., TN)
         typename Combiner = last_value<R>,
         typename Group = int,
         typename GroupCompare = std::less<Group>,
         typename SlotFunction = functionN<Signature> >
class signal : public signalN<R, T1, T2, ..., TN, Combiner, Group, GroupCompare, SlotFunction>
{
public:
  // construct/copy/destruct
  signal(const combiner_type& = combiner_type(),
         const group_compare_type& = group_compare_type());
};

DESCRIPTION

Class template signal is a thin wrapper around the numbered class templates signal0, signal1, etc. It accepts a function type with N arguments instead of N separate arguments, and derives from the appropriate signalN instantiation.

All functionality of this class template is in its base class signalN.

  signal public construct/copy/destruct

    1.

    signal(const combiner_type& combiner = combiner_type(),
           const group_compare_type& compare = group_compare_type());

    Effects:
        Initializes the base class with the given combiner and comparison objects.