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class_variable_get 

        # Module.class_variable_get

(from ruby core)
---
    mod.class_variable_get(symbol)    -> obj
    mod.class_variable_get(string)    -> obj

---

Returns the value of the given class variable (or throws a NameError
exception). The `@@` part of the variable name should be included for
regular class variables. String arguments are converted to symbols.

    class Fred
      @@foo = 99
    end
    Fred.class_variable_get(:@@foo)     #=> 99

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.