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How important are circular lists/recursive objects?
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Date: -- (:)
From: Gleb Alexeyev <gleb.alexeev@g...>
Subject: Re: How important are circular lists/recursive objects?
Brian Hurt wrote:
> 
> The question is: if this behavior was completely outlawed, and either 
> you couldn't build up circular lists/recursive data structures of this 
> type at all, or had to call special functions (List.circularize, say), 
> to create them, would this be a signifigant problem?  Does anyone 
> actually use this construct, and if so, for what?
> 
I do not use Ocaml for anything "real", but I think cyclic 
data-structures are occasionally useful. The first example that springs 
to mind: to implement "let rec" construct in interpreter one would need 
cyclic environment.