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let to_string' ?(len=65535 * 4) ?encoding ?scalar_style ?layout_style v =
assert (len >= 1);
let rec aux len =
match Yaml.to_string ~len ?encoding ?scalar_style ?layout_style v with
| Ok _ as o -> o
| Error (`Msg ("scalar failed" | "doc_end failed" | "seq_end failed")) when len < Sys.max_string_length / 2 ->
aux (len * 2)
| Error (`Msg _) as e -> e
in
aux len
include Yaml.Util
include GobResult.Syntax
let option_map (f: 'a -> ('b, 'e) result) (o: 'a option): ('b option, 'e) result =
match o with
| Some x -> Result.map Option.some (f x)
| None -> Ok None
let rec list_map (f: 'a -> ('b, 'e) result) (l: 'a list): ('b list, 'e) result =
match l with
| [] -> Ok []
| x :: xs ->
let+ y = f x
and+ ys = list_map f xs in
y :: ys
let find s y =
match Yaml.Util.find s y with
| Ok (Some y'') -> Ok y''
| Ok None -> Error (`Msg ("find " ^ s))
| Error `Msg e ->
Error (`Msg ("find " ^ s ^ ": " ^ e))
let to_int y =
let+ f = to_float y in
int_of_float f
let list = function
| `A l -> Ok l
| _ -> Error (`Msg "Failed to get elements from non-array value")
let entries = function
| `O assoc -> Ok assoc
| _ -> Error (`Msg "Failed to get entries from non-object value")
let int i = float (float_of_int i)