[erlang-questions] Avoiding case nesting

Robert Virding rvirding@REDACTED
Tue Sep 29 20:22:21 CEST 2009

2009/9/29 David Mercer <dmercer@REDACTED>

> Richard O'Keefe wrote:
> > This suggests one way to proceed: just write this text
> > out to a file (with a suitable module header), compile
> > it, load it, and use it.  Thanks to hot loading, you can
> > repeat the process whenever you want to change the sequence
> > of strings.
> Correct me if I am wrong, but can you not create "virtual" modules without
> actually writing the module file.  I believe you can pass some Erlang terms
> to the compiler and have the new module compiled and loaded without the
> disk
> overhead.  Never done this, but I thought it was possible...

Oh yes, it is definitely possible. You create the same datastructures as you
would get reading in the file and then pass them to the compiler. Whether
you do it this way or create a file really depends on what you want/need.

Macros don't work if you create the terms and pass them directly to the


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