[erlang-questions] Unable to call functions that are in a module in the same location

Steve Strong <>
Sat Aug 16 08:35:10 CEST 2014


I'm guessing that this:

Morphology = SpecCon#constraint.morphology,

Is setting Morphology to 'undefined' - that's what the stack trace looks to be saying.

Cheers,

Steve

Sent from my iPhone

> On 16 Aug 2014, at 04:54, "Yves S. Garret" <> wrote:
> 
> Hello,
> 
> This is my code:
> https://gist.github.com/anonymous/5b9b2c55a7684f5386e2
> 
> When I run my code inside of erlang (17.0), this is the error that I get:
> 7> genotype:create_test().
> {aborted,{undef,[{morphology,undefined,[sensors],[]},
>                  {morphology,get_InitSensors,1,
>                              [{file,"morphology.erl"},{line,8}]},
>                  {genotype,construct_Cortex,3,
>                            [{file,"genotype.erl"},{line,41}]},
>                  {genotype,construct_Agent,3,
>                            [{file,"genotype.erl"},{line,20}]},
>                  {genotype,'-create_test/0-fun-0-',0,
>                            [{file,"genotype.erl"},{line,434}]},
>                  {mnesia_tm,apply_fun,3,[{file,"mnesia_tm.erl"},{line,833}]},
>                  {mnesia_tm,execute_transaction,5,
>                             [{file,"mnesia_tm.erl"},{line,813}]},
>                  {erl_eval,do_apply,6,[{file,"erl_eval.erl"},{line,661}]}]}}
> 
> genotype.erl and morphology.erl are in the directory, so why can't genotype's function call morphology's functions?  Or am I missing something else entirely?
> 
> Thanks.
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> 
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