From: 7stud -- <dolgun@...>
Date: 2007-09-09T14:54:54+09:00
Subject: module_function :func  vs. MyModule.func?

The following produce the same output:

module MyModule
    def greet
        puts "hello"
    end

    module_function :greet
end

MyModule.greet

#-----vs.-----------

module MyModule
    def MyModule.greet
        puts "hello"
    end
end

MyModule.greet


What is module_function used for?
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