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let compare x y =
match x, y with
| true, true
| false, false -> Ordering.Eq
| true, false -> Gt
| false, true -> Lt
include Comparable.Operators(struct
type nonrec t = bool
let compare = compare
end)
let to_string = string_of_bool
let of_string s = Option.try_with (fun () -> bool_of_string s)