[erlang-questions] call by value

Martin Dimitrov <>
Thu May 19 17:36:02 CEST 2011


How will we have to interpret this citation from "Erlang Programming" by
Francesco Cesarini and Simon Thompson (page 30):

"All calls with variables in Erlang are call by value: all arguments to
a function call are evaluated before the body of the function is
evaluated. The concept of call by reference does not exist, ..."

I know that variables are not copied when making a function call and are
copied when sending messages to processes. So why do the authors say all
calls are call by value? Aren't the function calls actually call by



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