This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Numeric.infinite? (from ruby core) --- num.infinite? -> -1, 1, or nil --- Returns `nil`, -1, or 1 depending on whether the value is finite, `-Infinity`, or `+Infinity`.
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.