This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# OptionParser::ParseError.to_s (from ruby core) ### Implementation from ParseError --- to_s() --- (This method is an alias for OptionParser::ParseError#message.) Default stringizing method to emit standard error message.
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.