Erlang reference

reference manual은,

( official )
http://erlang.org/doc/
( alternative )
http://erldocs.com/

이거고, 책에 예제 1줄 안비고 걍 넘어간 refernce는, 아래와 같따.

Refs

A ref (or reference) is a term which is unique, even across Erlang nodes. You can create a new ref by calling erlang:make_ref/0. A reference is only used as a unique tag or identifier. An Erlang reference should not be confused with a reference in C/C++.

2> erlang:make_ref().

#Ref<0.0.0.41>