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type t =
| Even [@name "even"]
| Diminish [@name "diminish"]
| Dwindle [@name "dwindle"]
| Spiral [@name "spiral"]
| Deck [@name "deck"]
| Monocle [@name "monocle"]
[@@deriving yojson]
let all = [ Even; Diminish; Dwindle; Spiral; Deck; Monocle ]
let to_string = function
| Even -> "even"
| Diminish -> "diminish"
| Dwindle -> "dwindle"
| Spiral -> "spiral"
| Deck -> "deck"
| Monocle -> "monocle"
;;
let of_string s =
match String.trim s |> String.lowercase_ascii with
| "even" -> Some Even
| "diminish" -> Some Diminish
| "dwindle" -> Some Dwindle
| "spiral" -> Some Spiral
| "deck" -> Some Deck
| "monocle" -> Some Monocle
| _ -> None
;;
let cycle t (dir : Direction.Logical.t) =
match dir with
| Next -> Ring.next_or_first t all |> Option.get
| Prev -> Ring.prev_or_last t all |> Option.get
;;