[erlang-questions] Variables and side-effects
Sun Dec 30 14:11:18 CET 2012
On Sun, Dec 30, 2012 at 8:16 PM, Tyron Zerafa <tyron.zerafa@REDACTED> wrote:
> I have been reading about Erlang and I am finding a problem grasping the
> meaning of some terms related to variables.
> What do global, free and unbound variables stand for in Erlang? Do they mean
> the same thing?
> Is there a notion of global/free/unbound variables in Erlang? For instance,
> can I somehow implement this lambda: λy -> x+y+1 ?
If you store a value in the process dictionary, you have a kind of
process-specific "global" x.
So yes, you can side effects.
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