This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Module.attr_writer (from ruby core) --- attr_writer(symbol, ...) -> array attr_writer(string, ...) -> array --- Creates an accessor method to allow assignment to the attribute *symbol*`.id2name`. String arguments are converted to symbols. Returns an array of defined method names as symbols.
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.