val (>>=) : 'a t -> ( 'a -> 'b t ) -> 'b tval (>>|) : 'a t -> ( 'a -> 'b ) -> 'b tval bind : 'a t -> f:( 'a -> 'b t ) -> 'b tval map : 'a t -> f:( 'a -> 'b ) -> 'b tval join : 'a t t -> 'a tval ignore_m : 'a t -> unit tval all : 'a t list -> 'a list tval all_unit : unit t list -> unit tval map2 : 'a t -> 'b t -> f:( 'a -> 'b -> 'c ) -> 'c tval read : ( 'var, 'value ) Typ.t -> 'var -> 'value t