This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.


        # OpenSSL::PKey::RSAError < OpenSSL::PKey::PKeyError

(from ruby core)
Generic exception that is raised if an operation on an RSA PKey fails
unexpectedly or in case an instantiation of an instance of RSA fails due
to non-conformant input data.


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.