pybind11/tests/test_virtual_functions.cpp

18     ExampleVirt(int state) : state(state) { print_created(this, state); }
19     ExampleVirt(const ExampleVirt &e) : state(e.state) { print_copy_created(this); }
20     ExampleVirt(ExampleVirt &&e) : state(e.state) { print_move_created(this); e.state = 0; }
25                   "ExampleVirt::run(state={}, value={}, str1={}, str2={})"_s.format(state, value, get_string1(), *get_string2()));
26         return state + value;
39     int state;