This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Numeric.real? (from ruby core) --- num.real? -> true or false --- Returns `true` if `num` is a real number (i.e. not Complex).
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.