41 struct prefix  struct
46 struct X1: prefix {};  argument
47 struct X2: prefix {};
48 struct X3: prefix {};
49 struct X4: prefix {};
50 struct X5: prefix {};
51 struct X6: prefix {};
52 struct X7: prefix {};
53 struct X8: prefix {};
54 struct X9: prefix {};
55 struct X10: prefix {};
56 struct X11: prefix {};
57 struct X12: prefix {};
59 inline int get_value( prefix const& v )  in get_value()
68     return visit( []( prefix const& x ) { return x.v_; }, v );  in get_value()
77     return boost::apply_visitor( []( prefix const& x ) { return x.v_; }, v );  in get_value()
86     return visit( []( prefix const& x ) { return x.v_; }, v );  in get_value()
130     std::cout << "        prefix: "; test_<prefix>( N );  in test()