259     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
271     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
282     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
368     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
379     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
390     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
401     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
503     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()
657     fn size_hint(d: usize) -> (usize, Option<usize>) {  in size_hint()
675     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
690     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
705     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
720     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
735     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
752     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
769     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
784     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
799     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
814     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
849     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
864     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
878     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
889     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
900     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
911     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
922     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
933     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
957     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
968     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
979     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
990     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1001     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1012     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1023     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
1034     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
1045     fn size_hint(depth: usize) -> (usize, Option<usize>) {  in size_hint()
1087     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()
1098     fn size_hint(_depth: usize) -> (usize, Option<usize>) {  in size_hint()