9     let actual_result = merge_join_by(left, right, |l, r| l.cmp(r))  in empty()  localVariable
11     assert_eq!(expected_result, actual_result);  in empty()
23     let actual_result = merge_join_by(left, right, |l, r| l.cmp(r))  in left_only()  localVariable
25     assert_eq!(expected_result, actual_result);  in left_only()
37     let actual_result = merge_join_by(left, right, |l, r| l.cmp(r))  in right_only()  localVariable
39     assert_eq!(expected_result, actual_result);  in right_only()
54     let actual_result = merge_join_by(left, right, |l, r| l.cmp(r))  in first_left_then_right()  localVariable
56     assert_eq!(expected_result, actual_result);  in first_left_then_right()
71     let actual_result = merge_join_by(left, right, |l, r| l.cmp(r))  in first_right_then_left()  localVariable
73     assert_eq!(expected_result, actual_result);  in first_right_then_left()
88     let actual_result = merge_join_by(left, right, |l, r| l.cmp(r))  in interspersed_left_and_right()  localVariable
90     assert_eq!(expected_result, actual_result);  in interspersed_left_and_right()
105     let actual_result = merge_join_by(left, right, |l, r| l.cmp(r))  in overlapping_left_and_right()  localVariable
107     assert_eq!(expected_result, actual_result);  in overlapping_left_and_right()