Module type Deriving_monad.MonadPlusUtilsSig

module type MonadPlusUtilsSig = sig .. end

include Deriving_monad.MonadUtilsSig
val mzero : 'a m
val mplus : 'a m -> 'a m -> 'a m
val guard : bool -> unit m
val msum : 'a m list -> 'a m