This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Struct.size (from ruby core) --- size -> integer --- Returns the number of members. Customer = Struct.new(:name, :address, :zip) joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345) joe.size #=> 3 Struct#length is an alias for Struct#size.
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.