813     type IterOffsets = CharIndices<'i>;  typedef
818     fn iter_offsets(&self) -> Self::IterOffsets {  in iter_offsets()
888     type IterOffsets = Enumerate<Cloned<Iter<'i, u8>>>;  typedef
893     fn iter_offsets(&self) -> Self::IterOffsets {  in iter_offsets()
953     type IterOffsets = Enumerate<Cloned<Iter<'i, u8>>>;  typedef
958     fn iter_offsets(&self) -> Self::IterOffsets {  in iter_offsets()
1021     type IterOffsets = BitOffsets<I>;  typedef
1026     fn iter_offsets(&self) -> Self::IterOffsets {  in iter_offsets()
1141     type IterOffsets = <I as Stream>::IterOffsets;  typedef
1146     fn iter_offsets(&self) -> Self::IterOffsets {  in iter_offsets()
1199     type IterOffsets = <I as Stream>::IterOffsets;  typedef
1204     fn iter_offsets(&self) -> Self::IterOffsets {  in iter_offsets()
1252     type IterOffsets = <I as Stream>::IterOffsets;  typedef
1257     fn iter_offsets(&self) -> Self::IterOffsets {  in iter_offsets()
1305     type IterOffsets = <I as Stream>::IterOffsets;  typedef
1310     fn iter_offsets(&self) -> Self::IterOffsets {  in iter_offsets()