Ppxlib.With_errors
type 'a t = 'a * Location.Error.t list
val return : 'a -> 'a t
val (>>=) : 'a t -> ('a -> 'b t) -> 'b t
val (>>|) : 'a t -> ('a -> 'b) -> 'b t
val of_result : ('a, Location.Error.t Stdppx.NonEmptyList.t) result -> default:'a -> 'a t
val combine_errors : 'a t list -> 'a list t