This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Complex.abs2 (from ruby core) --- cmp.abs2 -> real --- Returns square of the absolute value. Complex(-1).abs2 #=> 1 Complex(3.0, -4.0).abs2 #=> 25.0
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.