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From: skaller <skaller@users.sourceforge.net>
To: caml-list <caml-list@inria.fr>
Subject: [Caml-list] tree automata
Date: 11 Apr 2004 09:51:28 +1000	[thread overview]
Message-ID: <1081641087.20677.282.camel@pelican> (raw)

I just ran across the need to pattern match a list against:

  P1 :: P2 * :: P3

where P2* means "any number of occurences of P2".
It happens in this case I want to forget P2*.
I can do this with

P1 :: tail when f(tail)

for suitable f, however I'm wondering if XDuce
would handle this.. and if the tree automata technology 
would fit into Ocaml.

-- 
John Skaller, mailto:skaller@users.sf.net
voice: 061-2-9660-0850, 
snail: PO BOX 401 Glebe NSW 2037 Australia
Checkout the Felix programming language http://felix.sf.net



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                 reply	other threads:[~2004-04-10 23:51 UTC|newest]

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