This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Method.call (from ruby core) --- meth.call(args, ...) -> obj --- Invokes the *meth* with the specified arguments, returning the method's return value. m = 12.method("+") m.call(3) #=> 15 m.call(20) #=> 32
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.