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Contents?: true
Size: 1.74 KB
Versions: 149
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Stored size: 1.74 KB
Contents
open Core
open Yojson.Basic
open Yojson.Basic.Util
let map2 (f: 'a -> 'b -> 'c) (r1: ('a, 'e) Result.t) (r2: ('b, 'e) Result.t): ('c, 'e) Result.t = match (r1, r2) with
| (Error x, _) -> Error x
| (_, Error x) -> Error x
| (Ok a, Ok b) -> Ok (f a b)
let map2_option (f: 'a -> 'b -> 'c) (r1: 'a option) (r2: 'b option): 'c option = match (r1, r2) with
| (None, _) -> None
| (_, None) -> None
| (Some a, Some b) -> Some (f a b)
let sequence (rs: (('a, 'e) Result.t) list): (('a list), 'e) Result.t =
List.fold_right rs ~init:(Ok []) ~f:(map2 (fun x xs -> x :: xs))
let sequence_option (rs: ('a option) list): ('a list) option =
List.fold_right rs ~init:(Some []) ~f:(map2_option (fun x xs -> x :: xs))
let to_list_option json =
try Some (to_list json) with Type_error _ -> None
let to_list_note error json =
try Ok (to_list json) with Type_error _ -> Error error
let to_assoc_note error json =
try Ok (to_assoc json) with Type_error _ -> Error error
let to_assoc_option json =
try Some (to_assoc json) with Type_error _ -> None
let to_string_note error json =
try Ok (to_string json) with Type_error _ -> Error error
let to_string_option json =
try Some (to_string json) with _ -> None
let safe_to_int_option json =
try Some (to_int json) with Type_error _ -> None
let member_note error m json =
try Ok (member m json) with Type_error _ -> Error error
let find_note (xs: ('a, 'b) List.Assoc.t) (key: 'a) (error: 'e): ('b, 'e) Result.t =
match List.Assoc.find ~equal:(=) xs key with
| Some v -> Ok v
| None -> Error error
let (>>) f g = Fn.compose f g
let find_arrayi ?start:(start = 0) xs ~f =
let rec go i =
if i >= Array.length xs then None
else if f xs.(i) then Some (i, xs.(i))
else go (i + 1) in
go start
Version data entries
149 entries across 149 versions & 1 rubygems