This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# String.ext (from gem rake-13.0.6) --- ext(newext="") --- Replace the file extension with `newext`. If there is no extension on the string, append the new extension to the end. If the new extension is not given, or is the empty string, remove any existing extension. `ext` is a user added method for the String class. This String extension comes from Rake
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.