This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Array.compact (from ruby core) --- array.compact -> new_array --- Returns a new Array containing all non-`nil` elements from `self`: a = [nil, 0, nil, 1, nil, 2, nil] a.compact # => [0, 1, 2]
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.