Re: Where did my thinking take the wrong turn

Christophe Troestler schreef op 5-11-2014 20:49:
> Hi,
>
> On Wed, 5 Nov 2014 20:18:23 +0100, Roelof Wobben [email protected] 
> [ocaml_beginners] wrote:
>>
>> Sorry for asking so much but I still have problems with the easy task of
>> the 99 Ocaml problems.
>>
>> I now have to revert a list.
>>
>> I have this :
>>
>> let reverse list =
>> let rec reverse2 list2 acc =
>> match list2 with
>> | [] -> acc
>> | x::xs -> reverse2 (x::acc) xs
>
> The order of arguments matters.  Take a piece of paper and compute 
> manually (taking great care of the details) the recursive calls of 
> « reverse2 [1;2;3] [] ».

Thanks,

A good tip when Im stuck. And I made the thinking error that list must 
be changed but list2 is the same as list and acc holds the new list and 
not the old one.

Roelof