module Error:sig..end
type | | | File_replaced | (* | File_shrankoccurs ifstatdetects that the length of the file decreases from
      one call to the next. | *) | 
| | | File_shrank | (* | Read_failedoccurs if some aspect of the open-seek-read-close used to get data
      fails. | *) | 
| | | Read_failed of  | (* | Stat_failedoccurs ifstatfails. | *) | 
| | | Stat_failed of  | 
val to_string_hum : t -> stringval sexp_of_t : t -> Sexplib.Sexp.t