[erlang-questions] simple_logger error in Joe Armstrong's Thesis

Bengt Kleberg <>
Mon Apr 20 08:47:11 CEST 2009


Greetings,

I do not know what the error is but when looking at the listing I think
that there are two things wrong with it.
1) Line 6-7: two callbacks for behaviour gen_event are missing.
2) Line 14: the return value of gen_event:add_handler/3 is ignored.


bengt

"On Fri, 2009-04-17 at 22:04 -0400, Justin Giancola wrote:
> Hello,
> 
> I've been reading through Joe's thesis
> (http://www.sics.se/~joe/thesis/armstrong_thesis_2003.pdf), and in the
> supervisor example (6.5.2) he comments that there was an unmentioned
> error in the simple_logger.erl listing.  Now, not only did I not
> notice this error when reading simple_logger.erl the first time
> around, but even under close examination I can't for the life of me
> figure out what it is.
> 
> Would someone with a sharper eye be kind enough to point it out?
> 
> The listing is Figure 6.2 on page 142 of the thesis (and page 153 of
> the .pdf linked above).
> 
> Thanks,
> 
> 
> Justin
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