9 ["idx":"logger":private]=>
15 string(12) "almost there"
18 string(10) "inside foo"
25 ["idx":"logger":private]=>
31 string(10) "inside foo"
44 string(29) "Generator is already finished"
73 object(stdClass) (0) {
100 object(stdClass) (0) {
105 object(Generator) (0) {