lazy thoughts

[Sergey Gromov]

Mon, 12 Jan 2009 09:05:18 -0800, Andrei Alexandrescu wrote:

> Also, lazy evaluation has the risk of getting confusing as there's a lot 
> of escaping. Consider:
> 
> int[] arr = [ 1, 2, 3, 4 ];
> auto squares = map!("a * a")(arr);
> arr[] = [ 5, 6, 7, 8 ];
> 
> Now iterating squares will see different numbers than the original ones.

This part bothers me.  Though it's hard to tell how much danger it would
impose in practice.