This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Rational.denominator (from ruby core) --- rat.denominator -> integer --- Returns the denominator (always positive). Rational(7).denominator #=> 1 Rational(7, 1).denominator #=> 1 Rational(9, -4).denominator #=> 4 Rational(-2, -10).denominator #=> 5
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.