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

d

        OpenSSL::PKey::RSA.d not found, maybe you meant:

OpenSSL::PKey::RSA#debugger
OpenSSL::PKey::RSA#decrypt
OpenSSL::PKey::RSA#define_singleton_method
OpenSSL::PKey::RSA#derive
OpenSSL::PKey::RSA#display
OpenSSL::PKey::RSA#dup

      

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.