277     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
289     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
300     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
386     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
397     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
408     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
419     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
521     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
539     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
557     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
654     fn size_hint(d: usize) -> (usize, Option<usize>) {  in size_hint()
672     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
687     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
702     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
717     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
733     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
751     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
768     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
785     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
800     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
815     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
830     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
863     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
878     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
892     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
903     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
914     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
925     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
936     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
947     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
971     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
982     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
993     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1004     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1015     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1026     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1037     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1048     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1059     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
1070     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
1081     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1123     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
1134     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()