This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Rational.to_f (from ruby core) --- rat.to_f -> float --- Returns the value as a Float. Rational(2).to_f #=> 2.0 Rational(9, 4).to_f #=> 2.25 Rational(-3, 4).to_f #=> -0.75 Rational(20, 3).to_f #=> 6.666666666666667
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.