Re: last item. no output

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I guess you want to do something like this:

let f = function
  | a :: b :: c :: tl -> (a,b,c)
  | invalid_arg "list too short"

f [1;2;3;4;5;6]

Christopher

On October 18, 2014 5:07:15 PM CEST, "Roelof Wobben [email protected] [ocaml_beginners]" <[email protected]> wrote:
>Amir Chaudhry [email protected] [ocaml_beginners] schreef op 18-10-2014
>14:43:
>> On 18 Oct 2014, at 12:46, "Roelof Wobben [email protected]
>[ocaml_beginners]" <[email protected]> wrote:
>>
>>> I forget to tell that I work now in utop and not from a saved file.
>> I may have misunderstood what you meant, and you might already know
>this, but you can still use a saved file and run it in utop. If you
>keep your code in a file called my_file.ml, you can run the following
>command in utop.
>>
>> #use "my_file.ml";;
>>
>> (In the file itself you do not need to use double semi-colons)
>>
>> More info from the Manual [1]:
>> #use "file-name";;
>> Read, compile and execute source phrases from the given file. This is
>textual inclusion: phrases are processed just as if they were typed on
>standard input. The reading of the file stops at the first error
>encountered.
>>
>> [1]
>http://caml.inria.fr/pub/docs/manual-ocaml-4.02-1/toplevel.html#sec256
>>
>>
>
>Thanks everyone.
>
>Let's say I want to have to last three items of a list can I do
>something like this :
>
>[x:y:z] -> some x y z
>
>Or must I split this one is three seperate rules ?
>
>Roelof
>
>
>
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