syntax question

Magnus Henoch <>
Fri Jun 18 18:09:48 CEST 2010

"Jean-Yves F. Barbier" <> writes:

> What does '<<' and '>>' stand for (I can't find an answer as all search
> engines suppress these strings :(

They create "bit strings" or "binaries":

Magnus Henoch, 
Erlang Solutions



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