Out_channel (ppxlib.Stdppx.Out

val create : 
  ?binary:bool ->
  ?append:bool ->
  ?fail_if_exists:bool ->
  ?perm:int ->
  string ->
  out_channel

val with_file : 
  ?binary:bool ->
  ?append:bool ->
  ?fail_if_exists:bool ->
  ?perm:int ->
  string ->
  f:(out_channel -> 'a) ->
  'b

val write_all : string -> data:string -> unit