This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# ERB.set_eoutvar (from ruby core) --- set_eoutvar(compiler, eoutvar = '_erbout') --- Can be used to set *eoutvar* as described in ERB::new. It's probably easier to just use the constructor though, since calling this method requires the setup of an ERB *compiler* object.
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.