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attr_reader 

        # Module.attr_reader

(from ruby core)
---
    attr_reader(symbol, ...)  -> array
    attr(symbol, ...)         -> array
    attr_reader(string, ...)  -> array
    attr(string, ...)         -> array

---

Creates instance variables and corresponding methods that return the
value of each instance variable. Equivalent to calling ```attr`*:name*''
on each name in turn. String arguments are converted to symbols. Returns
an array of defined method names as symbols.

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