package delimited_parsing

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in-package search v0.2.0

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Write CSVs & CSV-like delimited formats.

type -'a t = 'a Delimited_kernel.Write.t

Used to describe a way to create a single row of a CSV from a given type.

val empty : 'a t

val column : ('a -> string) -> header:string -> 'a t

val column_m : 
  (module Core_kernel.Stringable.S with type t = 'a) ->
  header:string ->
  'a t

val column_m_opt : 
  ?default:string ->
  (module Core_kernel.Stringable.S with type t = 'a) ->
  header:string ->
  'a option t

default is printed in place of None, and if not supplied is the empty string.

val of_list : 'a t list -> 'a t

val append : 'a t -> 'a t -> 'a t

val contra_map : 'b t -> f:('a -> 'b) -> 'a t

val map_headers : 'a t -> f:(string -> string) -> 'a t

val headers : 'a t -> string list

val to_columns : 'a t -> 'a -> string list

module Fields_O = Delimited_kernel.Write.Fields_O

Open for prefix operators useful for using with Fields.to_list.

module O = Delimited_kernel.Write.O

module Expert = Delimited_kernel.Write.Expert

val of_writer : 
  ?sep:char ->
  ?line_breaks:[ `Unix | `Windows ] ->
  write_header:bool ->
  'a t ->
  Async.Writer.t ->
  'a Async.Pipe.Writer.t

Make a pipe writer for 'as from a writer. The 'as will be written out as CSVs.

The writer will be closed when the pipe closes.

val create_writer : 
  ?sep:char ->
  ?line_breaks:[ `Unix | `Windows ] ->
  write_header:bool ->
  'a t ->
  string ->
  'a Async.Pipe.Writer.t

Make a pipe writer for 'as from a filename. The 'as will be written out as CSVs.

The writer will be closed when the pipe closes.

module By_row : sig ... end