2D Array question

[WestSide]

Hi,

I have two arrays, call them arrOne and arrTwo

How can I put arrTwo inside of the first position in arrOne

So say I have values like this in arrOne:

<cfset arrOne = ArrayNew(1)>
<cfset arrOne[1] = "John">
<cfset arrOne[2] = "Paul">

<cfset arrTwo = ArrayNew(1)>
<cfset arrTwo[1] = "Fruit">
<cfset arrTwo[2] = "Meat">


I want to put arrTwo inside of arrOne in the first position.  I tried using ArrayInsertAt, but it overwrote the 
first position which is not what I want.  The insert shouldn't overwite John's name. It should appear nested under it

I'm trying to somehow get arrTwo into arrOne[1][1]... something like that...

Any help appreciated...

-ws

[Dan_Bracuk]

Initialize your array as 2D.

[Adam Cameron.]

CF doesn't really have the concept of multi-dimensional arrays like other languages might, it just effects the same result by allowing any given array element to be, itself, an array.

So there's no trick to doing what you want: just prepend your second array to the first one.

That said, a 2-D array is seldom the best data structure for most requirements. What is the nature of your data? Are you sure you'd not be better off with an array of structs, or possibly having a struct with an element that is an array?

--

Adam

[insuractive]

I would agree with Adam regarding the structures.  However, if you need to go down the array route, you're looking for syntax like this:

<cfset arrTwo = ArrayNew(1)>
<cfset arrTwo[1] = "Fruit">
<cfset arrTwo[2] = "Meat">

<cfset arrOne = ArrayNew(2)>
<cfset arrOne[1][1] = "John">

<cfset arrOne[1][2] = arrTwo>