You can search for identifiers within the package.
in-package search v0.2.0
let operators.
let
val let+ : 'a t -> ('a -> 'b) -> 'b t
( let+ ) is map.
( let+ )
map
val and+ : 'a t -> 'b t -> ('a * 'b) t
( and* ) is product.
( and* )
product