[SOLVED] CS database (*The functions we give you*)

(*The functions we give you*)
val map : (a -> b) -> a list -> b list
val foldl : (a -> b -> a) -> a -> b list -> a
val foldr : (a -> b -> b) -> a list -> b -> b
val get_last_element : a list -> a
val rev : a list -> a list

type student_information = { name : string; age : int; gpa : float; }

(*The functions we have you implement*)
val mul_thresh : int list -> int -> int * int
val multi_map : (a -> b) -> a list list -> b list list
val update_database : (string * int * float) list -> student_information list
val stalin_sort : a list -> a list
val stalin_sort_right : a list -> a list