[erlang-questions] Run-time error messages

Björn Gustavsson <>
Mon Oct 3 08:38:09 CEST 2016


On Mon, Oct 3, 2016 at 2:49 AM, Richard A. O'Keefe <> wrote:
> A student just asked me for help finding a bug in his
> Erlang code.  This was the line responsible:
>
> ChosenTopic = lists:nth(
>   rand:uniform(length(AvailableTopics-1)), AvailableTopics),
>                       ^^^^^^^^^^^^^^^^^

Can you post a complete code example that I compile
and see if there is a bug in line number handling that
should be fixed?

Normally the line number should point to the
line where the exception happens.

/Bjorn

-- 
Björn Gustavsson, Erlang/OTP, Ericsson AB


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