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server-reason-react.js
Js.Undefined
type 'a t = 'a option
val return : 'a -> 'a t
val empty : 'a option
val toOption : 'a t -> 'a option
val fromOpt : 'a option -> 'a t
val getExn : 'a -> 'b
val getUnsafe : 'a t -> 'a
val bind : 'a -> 'b -> 'c
val iter : 'a -> 'b -> 'c
val testAny : 'a -> 'b
val test : 'a -> 'b
val fromOption : 'a option -> 'a t
val from_opt : 'a option -> 'a t