(* FUNCTION NAME: nele*)
(* FUNCTION DESCRIPTION: Repeats each element in a list n times.*)

fun neleHelper2 (a: int, b: int) =
    if a=0 then b
    else a-1;


fun neleHelper (a: int list, b: int, c:int) =
    if null a then nil
    else if ((neleHelper2(b,c))=c) then ((hd a) :: neleHelper((tl a), (neleHelper2(b,c)), c))
    else ((hd a) :: neleHelper(a, (neleHelper2(b,c)), c));

fun nele (a: int list,b: int) =
    if null a then nil
    else (neleHelper(a, b, b));



val bob = nele([1,2],3);