PSL files. Tested only on PSL files generated by BLAT version 34,
    which output psLayout version 3 files.
module Biocaml_psl: sigtype |    | matches :  | (* | number of bases that match that aren't repeats | *) | 
|    | mismatches :  | (* | number of bases that don't match | *) | 
|    | rep_matches :  | (* | number of bases that match but are part of repeats | *) | 
|    | n_count :  | (* | number of 'N' bases | *) | 
|    | q_num_insert :  | (* | number of inserts in query | *) | 
|    | q_base_insert :  | (* | number of bases inserted in query | *) | 
|    | t_num_insert :  | (* | number of inserts in target | *) | 
|    | t_base_insert :  | (* | number of bases inserted in target | *) | 
|    | q_name :  | (* | query sequence name | *) | 
|    | q_strand :  | (* | '+' or '-' for query strand | *) | 
|    | q_size :  | (* | query sequence size | *) | 
|    | q_start :  | (* | alignment start position in query | *) | 
|    | q_end :  | (* | alignment end position in query | *) | 
|    | t_name :  | (* | target sequence name | *) | 
|    | t_strand :  | (* | target strand for translated alignments | *) | 
|    | t_size :  | (* | target sequence size | *) | 
|    | t_start :  | (* | alignment start position in target | *) | 
|    | t_end :  | (* | alignment end position in target | *) | 
|    | block_count :  | (* | number of blocks in the alignment (a block contains no gaps) | *) | 
|    | block_sizes :  | (* | sizes of each block | *) | 
|    | q_starts :  | (* | starting positions of each block in query | *) | 
|    | t_starts :  | (* | starting positions of each block in target | *) | 
module Error: sigtypet =[ `incomplete_input of Biocaml_pos.t * string list * string option
| `invalid_int of Biocaml_pos.t * string * string
| `invalid_number_of_columns of Biocaml_pos.t * string * int
| `invalid_strands of Biocaml_pos.t * string * string ]
endexception Error of Error.t
val in_channel_to_item_stream : ?buffer_size:int ->
       ?filename:string ->
       Pervasives.in_channel ->
       (item, [> Error.t ]) Core.Result.t Stream.tval in_channel_to_item_stream_exn : ?buffer_size:int ->
       ?filename:string -> Pervasives.in_channel -> item Stream.tmodule Transform: sigval string_to_item : ?filename:string ->
       unit ->
       (string, (Biocaml_psl.item, [> Biocaml_psl.Error.t ]) Core.Result.t)
       Biocaml_transform.tendval line_to_item : Biocaml_pos.t ->
       Biocaml_line.t -> (item, Error.t) Core.Std.Result.tval item_of_sexp : Sexplib.Sexp.t -> itemval sexp_of_item : item -> Sexplib.Sexp.tend