base
Make3.X
base.base_internalhash_types
base.caml
base.md5
base.shadow_stdlib
type ('a, 'd, 'e) t
val return : 'a -> ('a, _, _) t
val apply : ('a -> 'b, 'd, 'e) t -> ('a, 'd, 'e) t -> ('b, 'd, 'e) t
val map : [ `Define_using_apply | `Custom of ('a, 'd, 'e) t -> f:('a -> 'b) -> ('b, 'd, 'e) t ]