makeIndex not working

[Johann MacDonagh]

On 7/2/2011 10:42 PM, Adam D. Ruppe wrote:
> Jonathan M Davis wrote:
>> The range has to be mutable.
>
> Is there any easy way around this, aside from casting away
> the outer immutable?
>
> It's a very annoying limitation that doesn't really have to be
> there - I believe the language itself would let you pass immutable
> int[] to a regular function that expects immutable(int)[], since the
> outermost reference is passed by value anyway.

Just the pointer is passed by value, referencing elements in the array 
mutate the source.