This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Monitor.try_mon_enter (from ruby core) --- try_mon_enter() --- for compatibility (This method is an alias for Monitor#try_enter.)
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.