This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Regexp.=== (from ruby core) --- rxp === str -> true or false --- Case Equality---Used in case statements. a = "HELLO" case a when /\A[a-z]*\z/; print "Lower case\n" when /\A[A-Z]*\z/; print "Upper case\n" else; print "Mixed case\n" end #=> "Upper case" Following a regular expression literal with the #=== operator allows you to compare against a String. /^[a-z]*$/ === "HELLO" #=> false /^[A-Z]*$/ === "HELLO" #=> true
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.