This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Float.denominator (from ruby core) --- flo.denominator -> integer --- Returns the denominator (always positive). The result is machine dependent. See also Float#numerator.
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.