[Haskell-cafe] Performance of functional priority queues

[Gautam bt]

On Sat, Dec 26, 2009 at 12:49 AM, Svein Ove Aas <svein.ove at aas.no> wrote:

>
> Lazyness can be considered to be a controlled form of mutation


Can someone explain why this is true (or link me to an explanation)?

-- 
Gautam
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