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Re: [Caml-list] How to find out if a function is tail recursive?
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Date: -- (:)
From: John Max Skaller <skaller@o...>
Subject: Re: [Caml-list] How to find out if a function is tail recursive?
John Max Skaller wrote:

 
>     let rec count lst =
>     match lst with
>     | [] -> 0
>     | h :: t -> 1 + count t
> 
> which isn't tail recursive.


BTW: to see the last line spoils the tail

recursion, rewrite it in functional notation:

	| h ::t -> add(1, count(t))

and you can now see that 'add' is the tail call,
not count.

-- 
John Max Skaller, mailto:skaller@ozemail.com.au
snail:10/1 Toxteth Rd, Glebe, NSW 2037, Australia.
voice:61-2-9660-0850


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