Bos.Cmdval v : string -> tval empty : tval is_empty : t -> boolval p : Fpath.t -> stringval line_tool : t -> string optionval get_line_tool : t -> stringval line_args : t -> string listval line_exec : t -> string optionval get_line_exec : t -> stringval of_string : string -> (t, Rresult.R.msg) Rresult.resultval to_string : t -> stringval to_list : t -> string listval of_list : ?slip:string -> string list -> tval of_values : ?slip:string -> ('a -> string) -> 'a list -> tval pp : Format.formatter -> t -> unitval dump : Format.formatter -> t -> unit