[erlang-questions] Wrong compilation warning
Thu Feb 7 02:01:15 CET 2008
On 07/02/2008, Kostis Sagonas <> wrote:
> PS. While playing with the compiler, I was somewhat surprised to
> discover that there is no error/warning when a module does not
> contain any export declaration. The compiler warns that all the
> module's functions are unused but other than that the module happily
> compiles & loads. I found that slightly weird...
Not really an error though is it, mightn't be very useful, but maybe. The
compiler should do what you tell it too and if I don't want anyone using my
module then it's my business. :-) Anyway you can still call module_info on
it, so the module is not without interface.
Seriously though I think the compiler should be very careful with what it
classifies as errors. Seeing Erlang handles errors then errors may be a part
of the application, for example used for detecting illegal behaviour. Warn
perhaps, but allow almost anything you can generate code for.
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