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Re: [FWP] Closest hash value



Chaim wrote:
> >>>>> "FD" == Fergal Daly <fergal@esatclear.ie> writes:
> 
> FD> You can get the "first" key with
> FD> ($best) = each %h;
> 
> I know, but I'm not sure if that is optimized. It may cause all
> 1_000_000 keys to be copied to the stack and then the first item
> removed.
> 
> Anyone know for sure?

Sure!  No lists.  each() is absolutely O(1).

John Porter


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