This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Numeric.abs (from ruby core) --- abs -> numeric --- Returns the absolute value of `self`. 12.abs #=> 12 (-34.56).abs #=> 34.56 -34.56.abs #=> 34.56 Numeric#magnitude is an alias for Numeric#abs.
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.