Alba compiler
Module type Fmlib . Module_types . APPLICATIVE
type 'a t

Type of the applicative container.

val return : 'a -> 'a t

return a makes an applicative container containing the value a.

val map : ( 'a -> 'b ) -> 'a t -> 'b t

map f m extracts the value a from the abstract container and returns a container containing f a.

val (<*>) : ( 'a -> 'b ) t -> 'a t -> 'b t

f <*> m applies the function contained in f to the content of the applicative container m and injects the result into a new applicative container.