[erlang-questions] Performance of matches

Robert Virding <>
Wed Jun 4 22:20:28 CEST 2008

2008/6/4 Richard A. O'Keefe <>:

> > On Mon, Jun 2, 2008 at 11:15 PM, Darren New <> wrote:
> >
> > Good to know the process dictionary is actually a hashtable, but
> > there's
> > only one per process and they don't nest, so that's pretty limited.
> Sure they nest:  a key can map to another process and _that_ process has
> another process dictionary.  It would be pretty simple to whip up a
> module implementing multi-key hash tables that way.

There is a much easier way to nest them: the value can be a dict, which is a
hash table. :-)

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