Indexed_functor.WITH_MAP
The minimum definition of an Indexed Functor. It is by using the combinators of this module that the other combinators will be derived.
Indexed Functor
type ('a, 'index) t
The type held by the Indexed Functor.
val map : ('a -> 'b) -> ('a, 'index) t -> ('b, 'index) t
Mapping over t from 'a to 'b.
t
'a
'b