Ruby - Finding An Object's Ancestor Classes

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Introduction

Ultimately all classes descend from the Object class.

In Ruby 1.9, the Object class itself descends from the BasicObject class.

Demo

def showFamily( aClass ) 
    if (aClass != nil) then     
        puts( "#{aClass} :: about to recurse with aClass.superclass =  
        #{aClass.superclass.inspect}" ) 
        showFamily( aClass.superclass ) 
    end #  w w  w  .  j a va2  s.  com
end 
showFamily(File)

Result

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