package parsexp

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val parse_string : 
  string ->
  (sexp_list -> 'a) ->
  ('a id, Conv_error.t) Pervasives.result

val parse_string_exn : string -> (sexp_list -> 'a) -> 'a id

val conv : 
  (sexp_list * Positions.t) ->
  (sexp_list -> 'a) ->
  ('a id, Of_sexp_error.t) Pervasives.result

val conv_exn : (sexp_list * Positions.t) -> (sexp_list -> 'a) -> 'a id

val conv_combine : 
  (sexp_list * Positions.t, Parse_error.t) Pervasives.result ->
  (sexp_list -> 'a) ->
  ('a id, Conv_error.t) Pervasives.result

Convenience function for merging parsing and conversion errors.

For instance if you have a load function as follow:

val load : string -> (Sexp.t list * Positions.t, Parse_error.t) result

then you can create a load_conv function as follow:

let load_conv : string -> (Sexp.t -> 'a) -> ('a list, Conv_error.t) result
  = fun filename f -> conv_combine (load filename) f