Via_map_and_join.Req
type ('a, 'index) t
The type held by the Indexed Bind.
Indexed Bind
val map : ('a -> 'b) -> ('a, 'index) t -> ('b, 'index) t
Mapping over from 'a to 'b.
'a
'b
val join : (('a, 'index) t, 'index) t -> ('a, 'index) t
join remove one level of monadic structure, projecting its bound argument into the outer level.
join