40 struct photon  struct
42     photon() : color( rand() ),   in photon()  argument
55 typedef std::vector<photon>                                 vector_type;  argument
65 typedef boost::ptr_vector<photon,boost::view_clone_allocator> view_type;
72     typedef photon first_argument_type;
73     typedef photon second_argument_type;
76     bool operator()( const photon& l, const photon& r ) const  in operator ()()
87     typedef photon first_argument_type;
88     typedef photon second_argument_type;
91     bool operator()( const photon& l, const photon& r ) const  in operator ()()
103     typedef photon first_argument_type;
104     typedef photon second_argument_type;
107     bool operator()( const photon& l, const photon& r ) const  in operator ()()
151             photons[i].push_back( photon() );  in main()