coldfusion distinct list

variables.myList = "one,two,three";
variables.myList = ListAppendDistinct(variables.myList, "three");
variables.myList = ListAppendDistinct(variables.myList, "four");

function ListAppendDistinct(list, value)
{
    var _local = StructNew();
    _local.list = list;
    if (NOT ListContains(_local.list, value))
    {
        _local.list = ListAppend(_local.list,value);
    }
    return _local.list;
}

variables.myArray = ArrayNew(1);
variables.myArray[1] = "one";
variables.myArray[2] = "two";
variables.myArray[3] = "three";

variables.myArray = ArrayAppendDistinct(variables.myArray, "three");
variables.myArray = ArrayAppendDistinct(variables.myArray, "four");

function ArrayAppendDistinct(array, value)
{
    var _local = StructNew();
    _local.list = ArrayToList(array);
    _local.list = ListAppendDistinct(_local.list,value);
    return ListToArray(_local.list);
}

<cfset temp = structNew()>
<cfloop list="a,b,c,a,c" index="i">
  <cfset temp[i] = "">
</cfloop>
<cfset distinctList = structKeyList(temp)>

_ = new Underscore();// instantiate the library    
uniqueArray = _.uniq(array);// convert an array to a unique array

ListRemoveDuplicates()

newList = listRemoveDuplicates("AA,BB,CC,AA,AA,AA,BB", ",");
writeOutput("newList = #newList#");