From: jrouquie@ens-lyon.fr
To: Caml Mailing List <caml-list@inria.fr>
Subject: Re: [Caml-list] removing an item from a list efficiently
Date: Fri, 07 Nov 2003 10:49:07 +0100 (CET) [thread overview]
Message-ID: <1068198547.3fab6a9327eb0@mouette.ens-lyon.fr> (raw)
In-Reply-To: <483F0AC5-1105-11D8-AC71-000393CFE6B8@spy.net>
> Is there a better way to efficiently move a list item to the front, or
> should I just implement a linked list to meet my requirements?
It's guaranteed in OCaml that when you have a pointer to the head of a list,
the tail won't be modified.
So you have to rebuild at least a sublist with all the elements before the one
you want to move. Or you can implement linked lists that doesn't meet the first
specification.
Jean-Baptiste Rouquier.
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next prev parent reply other threads:[~2003-11-07 9:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-07 9:32 Dustin Sallings
2003-11-07 9:49 ` jrouquie [this message]
2003-11-07 12:46 ` Stefano Zacchiroli
2003-11-08 8:49 ` Dustin Sallings
2003-11-08 9:16 ` Stefano Zacchiroli
2003-11-09 1:13 ` Dustin Sallings
2003-11-08 10:59 ` Oleg Trott
2003-11-08 11:02 ` Oleg Trott
2003-11-08 18:57 ` Brian Hurt
2003-11-07 16:50 ` Brian Hurt
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