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

in 

        Date.in not found, maybe you meant:

Date#infinite?
Date#inspect
Date#inspect_raw
Date#instance_eval
Date#instance_exec
Date#instance_of?
Date#instance_variable_defined?
Date#instance_variable_get
Date#instance_variable_set
Date#instance_variables

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.