[erlang-questions] Erlang case statement questions

Nahuel Greco <>
Mon Jun 1 19:51:46 CEST 2009


End the last clause without the semicolon.

Saludos,
Nahuel Greco.



On Mon, Jun 1, 2009 at 2:48 PM, Greg Perry <> wrote:
> Ok I've put together a simple module declaration but I am getting an
> error on this case statement.  What am I doing wrong with this?  N is an
> integer that gets passed to the module, based upon the return of N rem
> 9, PQ then gets assigned the list of items on the right:
>
> ----------
>
> analyze(N) ->
>   case (N rem 9) of
>      1 -> PQ = [{1,1}, {2,5}, {4,7}, {8,8}];
>      2 -> PQ = [{1,2}, {4,5}, {7,8}];
>      3 -> PQ = [{1,3}, {2,6}, {3,4}, {3,7}, {5,6}, {6,8}];
>      4 -> PQ = [{1,4}, {2,2}, {5,8}, {7,7}];
>      5 -> PQ = [{1,5}, {2,7}, {4,8}];
>      6 -> PQ = [{1,6}, {2,3}, {3,5}, {3,8}, {4,6}, {6,7}];
>      7 -> PQ = [{1,7}, {2,8}, {4,4}, {5,5}];
>      8 -> PQ = [{1,8}, {2,4}, {5,7}];
>      9 -> PQ = [{1,9}, {2,9}, {3,3}, {3,6}, {3,9}, {4,9}, {5,9}, {6,6},
> {6,9}, {7,9}, {8,9}, {9,9}];
>   end.
>
> ----------
>
> I used the example in Joe's Programming Erlang book for the case
> statement, but got something wrong obviously.
>
> Thanks in advance,
>
> Greg
>
>
>
>
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