This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# String.dump (from ruby core) --- dump -> string --- Returns a printable version of `self`, enclosed in double-quotes, with special characters escaped, and with non-printing characters replaced by hexadecimal notation: "hello \n ''".dump # => "\"hello \\n ''\"" "\f\x00\xff\\\"".dump # => "\"\\f\\x00\\xFF\\\\\\\"\"" Related: String#undump (inverse of String#dump).
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.