Module Either.First

type ('a, 'b) t = ('a, 'b) t
include Monad.S2_local with type ('a, 'b) t := ('a, 'b) t
val (>>=) : ('a, 'e) t -> ('a -> ('b, 'e) t) -> ('b, 'e) t
module Let_syntax : sig ... end
module Monad_infix : sig ... end

Same as Infix, except the monad type has two arguments. The second is always just passed through.

val bind : ('a, 'e) t -> f:('a -> ('b, 'e) t) -> ('b, 'e) t
val join : (('a, 'e) t, 'e) t -> ('a, 'e) t
val ignore_m : (_, 'e) t -> (unit, 'e) t
include Applicative.S2_local with type ('a, 'b) t := ('a, 'b) t
val return : 'a -> ('a, _) t
val map : ('a, 'e) t -> f:('a -> 'b) -> ('b, 'e) t
val both : ('a, 'e) t -> ('b, 'e) t -> ('a * 'b, 'e) t
val (<*>) : ('a -> 'b, 'e) t -> ('a, 'e) t -> ('b, 'e) t
val (<*) : ('a, 'e) t -> (unit, 'e) t -> ('a, 'e) t
val (*>) : (unit, 'e) t -> ('a, 'e) t -> ('a, 'e) t
val (>>|) : ('a, 'e) t -> ('a -> 'b) -> ('b, 'e) t
val apply : ('a -> 'b, 'e) t -> ('a, 'e) t -> ('b, 'e) t
val map2 : ('a, 'e) t -> ('b, 'e) t -> f:('a -> 'b -> 'c) -> ('c, 'e) t
val map3 : ('a, 'e) t -> ('b, 'e) t -> ('c, 'e) t -> f:('a -> 'b -> 'c -> 'd) -> ('d, 'e) t
val all : ('a, 'e) t list -> ('a list, 'e) t
val all_unit : (unit, 'e) t list -> (unit, 'e) t
module Applicative_infix : sig ... end
val value : ('a, _) t -> default:'a -> 'a
val to_option : ('a, _) t -> 'a option
val with_return : ('a With_return.return -> 'b) -> ('a, 'b) t
val combine : ('a, 'd) t -> ('b, 'd) t -> f:('a -> 'b -> 'c) -> other:('d -> 'd -> 'd) -> ('c, 'd) t
val combine_all : ('a, 'b) t list -> f:('b -> 'b -> 'b) -> ('a list, 'b) t
val combine_all_unit : (unit, 'b) t list -> f:('b -> 'b -> 'b) -> (unit, 'b) t