[erlang-questions] Introspecting the atom table
Thu Dec 21 05:21:05 CET 2006
Aha, thank you for the question and the answer. I have a few
places in my code to change the try/catch I've been using. I
do not remember where/when I started thinking new atoms would
be created and changed my code from simple list_to_atom funs.
On Wed, Dec 20, 2006 at 07:41:27PM -0500, Yariv Sadan wrote:
> Do repeated calls to list_to_atom(Str) with the same Str value
> actually create new atoms, or does list_to_atom() check if the atom
> already exists? (I thought it was the latter)
> > My understanding is that "an atom is forever". In long running
> > code I don't want to keep creating new atoms if I already have
> > one. The above I use where I have sporadic communication between
> > remote servers that could come online or offline.
> > This was one example where I might not want to keep creating new
> > atoms so use the try/catch idiom.
> > ~M
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