This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Date.step (from ruby core) --- d.step(limit[, step=1]) -> enumerator d.step(limit[, step=1]){|date| ...} -> self --- Iterates evaluation of the given block, which takes a date object. The limit should be a date object. Date.new(2001).step(Date.new(2001,-1,-1)).select{|d| d.sunday?}.size #=> 52
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.