[erlang-questions] Performance of matches

[Robert Virding]

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

> > On Mon, Jun 2, 2008 at 11:15 PM, Darren New <dnew@REDACTED> 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. :-)

Robert
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